Finding the Third Proportional to 329,152.50 and 491,575.50

Step by Step Solution

1. Step 1: Write the proportion equation
   329,152.50 : 491,575.50 = 491,575.50 : x
2. Step 2: Convert to fraction form
   329,152.50/491,575.50 = 491,575.50/x
3. Step 3: Cross multiply
   329,152.50x = 491,575.50 × 491,575.50
4. Step 4: Simplify right side
   329,152.50x = 241,646,472,200.25
5. Step 5: Solve for x
   x = 241,646,472,200.25/329,152.50
6. Step 6: Final answer
   x = 734,147.46