Finding the Third Proportional to 498,366 and 747,391.50

Step by Step Solution

1. Step 1: Write the proportion equation
   498,366 : 747,391.50 = 747,391.50 : x
2. Step 2: Convert to fraction form
   498,366/747,391.50 = 747,391.50/x
3. Step 3: Cross multiply
   498,366x = 747,391.50 × 747,391.50
4. Step 4: Simplify right side
   498,366x = 558,594,054,272.25
5. Step 5: Solve for x
   x = 558,594,054,272.25/498,366
6. Step 6: Final answer
   x = 1,120,851.05