Finding the Third Proportional to 87,180 and 134,713.50

Step by Step Solution

1. Step 1: Write the proportion equation
   87,180 : 134,713.50 = 134,713.50 : x
2. Step 2: Convert to fraction form
   87,180/134,713.50 = 134,713.50/x
3. Step 3: Cross multiply
   87,180x = 134,713.50 × 134,713.50
4. Step 4: Simplify right side
   87,180x = 18,147,727,082.25
5. Step 5: Solve for x
   x = 18,147,727,082.25/87,180
6. Step 6: Final answer
   x = 208,163.88