Finding the Third Proportional to 80.89 and 125.61

Step by Step Solution

1. Step 1: Write the proportion equation
   80.89 : 125.61 = 125.61 : x
2. Step 2: Convert to fraction form
   80.89/125.61 = 125.61/x
3. Step 3: Cross multiply
   80.89x = 125.61 × 125.61
4. Step 4: Simplify right side
   80.89x = 15,778.70
5. Step 5: Solve for x
   x = 15,778.70/80.89
6. Step 6: Final answer
   x = 195.05