Finding the Third Proportional to 332,406.50 and 498,486

Step by Step Solution

1. Step 1: Write the proportion equation
   332,406.50 : 498,486 = 498,486 : x
2. Step 2: Convert to fraction form
   332,406.50/498,486 = 498,486/x
3. Step 3: Cross multiply
   332,406.50x = 498,486 × 498,486
4. Step 4: Simplify right side
   332,406.50x = 248,488,292,196
5. Step 5: Solve for x
   x = 248,488,292,196/332,406.50
6. Step 6: Final answer
   x = 747,543.42