Finding the Third Proportional to 539,631 and 791,949.50

Step by Step Solution

1. Step 1: Write the proportion equation
   539,631 : 791,949.50 = 791,949.50 : x
2. Step 2: Convert to fraction form
   539,631/791,949.50 = 791,949.50/x
3. Step 3: Cross multiply
   539,631x = 791,949.50 × 791,949.50
4. Step 4: Simplify right side
   539,631x = 627,184,010,550.25
5. Step 5: Solve for x
   x = 627,184,010,550.25/539,631
6. Step 6: Final answer
   x = 1,162,246.07