Finding the Third Proportional to 498,117 and 747,540

Step by Step Solution

1. Step 1: Write the proportion equation
   498,117 : 747,540 = 747,540 : x
2. Step 2: Convert to fraction form
   498,117/747,540 = 747,540/x
3. Step 3: Cross multiply
   498,117x = 747,540 × 747,540
4. Step 4: Simplify right side
   498,117x = 558,816,051,600
5. Step 5: Solve for x
   x = 558,816,051,600/498,117
6. Step 6: Final answer
   x = 1,121,857.02