Finding the Third Proportional to 87,165 and 130,405.50

Step by Step Solution

1. Step 1: Write the proportion equation
   87,165 : 130,405.50 = 130,405.50 : x
2. Step 2: Convert to fraction form
   87,165/130,405.50 = 130,405.50/x
3. Step 3: Cross multiply
   87,165x = 130,405.50 × 130,405.50
4. Step 4: Simplify right side
   87,165x = 17,005,594,430.25
5. Step 5: Solve for x
   x = 17,005,594,430.25/87,165
6. Step 6: Final answer
   x = 195,096.59