Finding the Third Proportional to 85,864.88 and 131,353.88

Step by Step Solution

1. Step 1: Write the proportion equation
   85,864.88 : 131,353.88 = 131,353.88 : x
2. Step 2: Convert to fraction form
   85,864.88/131,353.88 = 131,353.88/x
3. Step 3: Cross multiply
   85,864.88x = 131,353.88 × 131,353.88
4. Step 4: Simplify right side
   85,864.88x = 17,253,840,477.52
5. Step 5: Solve for x
   x = 17,253,840,477.52/85,864.88
6. Step 6: Final answer
   x = 200,941.78