Finding the Third Proportional to 86,607 and 130,165.50

Step by Step Solution

1. Step 1: Write the proportion equation
   86,607 : 130,165.50 = 130,165.50 : x
2. Step 2: Convert to fraction form
   86,607/130,165.50 = 130,165.50/x
3. Step 3: Cross multiply
   86,607x = 130,165.50 × 130,165.50
4. Step 4: Simplify right side
   86,607x = 16,943,057,390.25
5. Step 5: Solve for x
   x = 16,943,057,390.25/86,607
6. Step 6: Final answer
   x = 195,631.50