Finding the Third Proportional to 80,940 and 122,538

Step by Step Solution

1. Step 1: Write the proportion equation
   80,940 : 122,538 = 122,538 : x
2. Step 2: Convert to fraction form
   80,940/122,538 = 122,538/x
3. Step 3: Cross multiply
   80,940x = 122,538 × 122,538
4. Step 4: Simplify right side
   80,940x = 15,015,561,444
5. Step 5: Solve for x
   x = 15,015,561,444/80,940
6. Step 6: Final answer
   x = 185,514.72