Finding the Third Proportional to 404,158.50 and 657,060.75

Step by Step Solution

1. Step 1: Write the proportion equation
   404,158.50 : 657,060.75 = 657,060.75 : x
2. Step 2: Convert to fraction form
   404,158.50/657,060.75 = 657,060.75/x
3. Step 3: Cross multiply
   404,158.50x = 657,060.75 × 657,060.75
4. Step 4: Simplify right side
   404,158.50x = 431,728,829,190.56
5. Step 5: Solve for x
   x = 431,728,829,190.56/404,158.50
6. Step 6: Final answer
   x = 1,068,216.63