Finding the Third Proportional to 132,055.50 and 284,644.50

Step by Step Solution

1. Step 1: Write the proportion equation
   132,055.50 : 284,644.50 = 284,644.50 : x
2. Step 2: Convert to fraction form
   132,055.50/284,644.50 = 284,644.50/x
3. Step 3: Cross multiply
   132,055.50x = 284,644.50 × 284,644.50
4. Step 4: Simplify right side
   132,055.50x = 81,022,491,380.25
5. Step 5: Solve for x
   x = 81,022,491,380.25/132,055.50
6. Step 6: Final answer
   x = 613,548.78