Finding the Third Proportional to 85,955.25 and 131,402.63

Step by Step Solution

1. Step 1: Write the proportion equation
   85,955.25 : 131,402.63 = 131,402.63 : x
2. Step 2: Convert to fraction form
   85,955.25/131,402.63 = 131,402.63/x
3. Step 3: Cross multiply
   85,955.25x = 131,402.63 × 131,402.63
4. Step 4: Simplify right side
   85,955.25x = 17,266,649,856.89
5. Step 5: Solve for x
   x = 17,266,649,856.89/85,955.25
6. Step 6: Final answer
   x = 200,879.53