Finding the Third Proportional to 498,469.50 and 747,518

Step by Step Solution

1. Step 1: Write the proportion equation
   498,469.50 : 747,518 = 747,518 : x
2. Step 2: Convert to fraction form
   498,469.50/747,518 = 747,518/x
3. Step 3: Cross multiply
   498,469.50x = 747,518 × 747,518
4. Step 4: Simplify right side
   498,469.50x = 558,783,160,324
5. Step 5: Solve for x
   x = 558,783,160,324/498,469.50
6. Step 6: Final answer
   x = 1,120,997.69