Finding the Third Proportional to 86,581.50 and 130,126.50

Step by Step Solution

1. Step 1: Write the proportion equation
   86,581.50 : 130,126.50 = 130,126.50 : x
2. Step 2: Convert to fraction form
   86,581.50/130,126.50 = 130,126.50/x
3. Step 3: Cross multiply
   86,581.50x = 130,126.50 × 130,126.50
4. Step 4: Simplify right side
   86,581.50x = 16,932,906,002.25
5. Step 5: Solve for x
   x = 16,932,906,002.25/86,581.50
6. Step 6: Final answer
   x = 195,571.87