Finding the Third Proportional to 81,659.25 and 124,920

Step by Step Solution

1. Step 1: Write the proportion equation
   81,659.25 : 124,920 = 124,920 : x
2. Step 2: Convert to fraction form
   81,659.25/124,920 = 124,920/x
3. Step 3: Cross multiply
   81,659.25x = 124,920 × 124,920
4. Step 4: Simplify right side
   81,659.25x = 15,605,006,400
5. Step 5: Solve for x
   x = 15,605,006,400/81,659.25
6. Step 6: Final answer
   x = 191,099.07