Finding the Third Proportional to 81,992 and 123,741

Step by Step Solution

1. Step 1: Write the proportion equation
   81,992 : 123,741 = 123,741 : x
2. Step 2: Convert to fraction form
   81,992/123,741 = 123,741/x
3. Step 3: Cross multiply
   81,992x = 123,741 × 123,741
4. Step 4: Simplify right side
   81,992x = 15,311,835,081
5. Step 5: Solve for x
   x = 15,311,835,081/81,992
6. Step 6: Final answer
   x = 186,747.92