So, there's another one of the great myths of history: The Nazis never gained actual majorities in the Reichstag until after Hitler was already Chancellor. They gained their power there to begin with because the German conservative forces (predominantly their big business and Prussian Junker class, like Hindenburg) wanted to co-opt the Nazis against the left-wing, but especially the Communists. Hindenburg even thought he could control Hitler!
So, there's another one of the great myths of history: The Nazis never gained actual majorities in the Reichstag until after Hitler was already Chancellor. They gained their power there to begin with because the German conservative forces (predominantly their big business and Prussian Junker class, like Hindenburg) wanted to co-opt the Nazis against the left-wing, but especially the Communists. Hindenburg even thought he could control Hitler!