Finding the Third Proportional to 86,265 and 130,612.50

Step by Step Solution

1. Step 1: Write the proportion equation
   86,265 : 130,612.50 = 130,612.50 : x
2. Step 2: Convert to fraction form
   86,265/130,612.50 = 130,612.50/x
3. Step 3: Cross multiply
   86,265x = 130,612.50 × 130,612.50
4. Step 4: Simplify right side
   86,265x = 17,059,625,156.25
5. Step 5: Solve for x
   x = 17,059,625,156.25/86,265
6. Step 6: Final answer
   x = 197,758.36