Finding the Third Proportional to 87,195 and 130,666.50

Step by Step Solution

1. Step 1: Write the proportion equation
   87,195 : 130,666.50 = 130,666.50 : x
2. Step 2: Convert to fraction form
   87,195/130,666.50 = 130,666.50/x
3. Step 3: Cross multiply
   87,195x = 130,666.50 × 130,666.50
4. Step 4: Simplify right side
   87,195x = 17,073,734,222.25
5. Step 5: Solve for x
   x = 17,073,734,222.25/87,195
6. Step 6: Final answer
   x = 195,810.93