text: Donald Trump's Presidential Job Approval Ratings
  Approval rating	Dates
  %
  Most recent weekly average	38	Oct 2-8, 2017
  Term average to date	        39  	Jan 20, 2017-present
  High point, weekly average	45	Jan 20-29, 2017
  Low point, weekly average	35	Aug 21-27, 2017
  High point, three-day average	46	twice; last on Jan 23-25, 2017
  Low point, three-day average	34	six times; last on Aug 30-Sep 1, 2017
  GALLUP
  
  Trump has only reached your "45.6%" right after inauguration.
  As to your statement "the majority disagree with this".  The majority have never approved of Trump in any sector of the government.
  But much like the person you voted for, don't let facts get in your way.