Finding the Third Proportional to 85,271.91 and 132,403.78

Step by Step Solution

1. Step 1: Write the proportion equation
   85,271.91 : 132,403.78 = 132,403.78 : x
2. Step 2: Convert to fraction form
   85,271.91/132,403.78 = 132,403.78/x
3. Step 3: Cross multiply
   85,271.91x = 132,403.78 × 132,403.78
4. Step 4: Simplify right side
   85,271.91x = 17,530,761,289.30
5. Step 5: Solve for x
   x = 17,530,761,289.30/85,271.91
6. Step 6: Final answer
   x = 205,586.60