Finding the Third Proportional to 80,942 and 122,540

Step by Step Solution

1. Step 1: Write the proportion equation
   80,942 : 122,540 = 122,540 : x
2. Step 2: Convert to fraction form
   80,942/122,540 = 122,540/x
3. Step 3: Cross multiply
   80,942x = 122,540 × 122,540
4. Step 4: Simplify right side
   80,942x = 15,016,051,600
5. Step 5: Solve for x
   x = 15,016,051,600/80,942
6. Step 6: Final answer
   x = 185,516.19