Finding the Third Proportional to 85,513.50 and 131,550.75

Step by Step Solution

1. Step 1: Write the proportion equation
   85,513.50 : 131,550.75 = 131,550.75 : x
2. Step 2: Convert to fraction form
   85,513.50/131,550.75 = 131,550.75/x
3. Step 3: Cross multiply
   85,513.50x = 131,550.75 × 131,550.75
4. Step 4: Simplify right side
   85,513.50x = 17,305,599,825.56
5. Step 5: Solve for x
   x = 17,305,599,825.56/85,513.50
6. Step 6: Final answer
   x = 202,372.72