Finding the Third Proportional to 86,587 and 130,134.50

Step by Step Solution

1. Step 1: Write the proportion equation
   86,587 : 130,134.50 = 130,134.50 : x
2. Step 2: Convert to fraction form
   86,587/130,134.50 = 130,134.50/x
3. Step 3: Cross multiply
   86,587x = 130,134.50 × 130,134.50
4. Step 4: Simplify right side
   86,587x = 16,934,988,090.25
5. Step 5: Solve for x
   x = 16,934,988,090.25/86,587
6. Step 6: Final answer
   x = 195,583.50