Finding the Third Proportional to 498,470 and 747,520.50

Step by Step Solution

1. Step 1: Write the proportion equation
   498,470 : 747,520.50 = 747,520.50 : x
2. Step 2: Convert to fraction form
   498,470/747,520.50 = 747,520.50/x
3. Step 3: Cross multiply
   498,470x = 747,520.50 × 747,520.50
4. Step 4: Simplify right side
   498,470x = 558,786,897,920.25
5. Step 5: Solve for x
   x = 558,786,897,920.25/498,470
6. Step 6: Final answer
   x = 1,121,004.07