Finding the Third Proportional to 329,304.50 and 496,550

Step by Step Solution

1. Step 1: Write the proportion equation
   329,304.50 : 496,550 = 496,550 : x
2. Step 2: Convert to fraction form
   329,304.50/496,550 = 496,550/x
3. Step 3: Cross multiply
   329,304.50x = 496,550 × 496,550
4. Step 4: Simplify right side
   329,304.50x = 246,561,902,500
5. Step 5: Solve for x
   x = 246,561,902,500/329,304.50
6. Step 6: Final answer
   x = 748,735.30