Finding the Third Proportional to 332,402.50 and 498,480

Step by Step Solution

1. Step 1: Write the proportion equation
   332,402.50 : 498,480 = 498,480 : x
2. Step 2: Convert to fraction form
   332,402.50/498,480 = 498,480/x
3. Step 3: Cross multiply
   332,402.50x = 498,480 × 498,480
4. Step 4: Simplify right side
   332,402.50x = 248,482,310,400
5. Step 5: Solve for x
   x = 248,482,310,400/332,402.50
6. Step 6: Final answer
   x = 747,534.42