Finding the Third Proportional to 85,825.50 and 131,291.25

Step by Step Solution

1. Step 1: Write the proportion equation
   85,825.50 : 131,291.25 = 131,291.25 : x
2. Step 2: Convert to fraction form
   85,825.50/131,291.25 = 131,291.25/x
3. Step 3: Cross multiply
   85,825.50x = 131,291.25 × 131,291.25
4. Step 4: Simplify right side
   85,825.50x = 17,237,392,326.56
5. Step 5: Solve for x
   x = 17,237,392,326.56/85,825.50
6. Step 6: Final answer
   x = 200,842.32