Finding the Third Proportional to 132,031 and 285,105.50

Step by Step Solution

1. Step 1: Write the proportion equation
   132,031 : 285,105.50 = 285,105.50 : x
2. Step 2: Convert to fraction form
   132,031/285,105.50 = 285,105.50/x
3. Step 3: Cross multiply
   132,031x = 285,105.50 × 285,105.50
4. Step 4: Simplify right side
   132,031x = 81,285,146,130.25
5. Step 5: Solve for x
   x = 81,285,146,130.25/132,031
6. Step 6: Final answer
   x = 615,651.98