Finding the Third Proportional to 332,386.50 and 498,454

Step by Step Solution

1. Step 1: Write the proportion equation
   332,386.50 : 498,454 = 498,454 : x
2. Step 2: Convert to fraction form
   332,386.50/498,454 = 498,454/x
3. Step 3: Cross multiply
   332,386.50x = 498,454 × 498,454
4. Step 4: Simplify right side
   332,386.50x = 248,456,390,116
5. Step 5: Solve for x
   x = 248,456,390,116/332,386.50
6. Step 6: Final answer
   x = 747,492.42