Finding the Third Proportional to 539,721 and 792,076.50

Step by Step Solution

1. Step 1: Write the proportion equation
   539,721 : 792,076.50 = 792,076.50 : x
2. Step 2: Convert to fraction form
   539,721/792,076.50 = 792,076.50/x
3. Step 3: Cross multiply
   539,721x = 792,076.50 × 792,076.50
4. Step 4: Simplify right side
   539,721x = 627,385,181,852.25
5. Step 5: Solve for x
   x = 627,385,181,852.25/539,721
6. Step 6: Final answer
   x = 1,162,425.00