Finding the Third Proportional to 132,039 and 285,124.50

Step by Step Solution

1. Step 1: Write the proportion equation
   132,039 : 285,124.50 = 285,124.50 : x
2. Step 2: Convert to fraction form
   132,039/285,124.50 = 285,124.50/x
3. Step 3: Cross multiply
   132,039x = 285,124.50 × 285,124.50
4. Step 4: Simplify right side
   132,039x = 81,295,980,500.25
5. Step 5: Solve for x
   x = 81,295,980,500.25/132,039
6. Step 6: Final answer
   x = 615,696.73