Finding the Third Proportional to 81,708.75 and 112,518

Step by Step Solution

1. Step 1: Write the proportion equation
   81,708.75 : 112,518 = 112,518 : x
2. Step 2: Convert to fraction form
   81,708.75/112,518 = 112,518/x
3. Step 3: Cross multiply
   81,708.75x = 112,518 × 112,518
4. Step 4: Simplify right side
   81,708.75x = 12,660,300,324
5. Step 5: Solve for x
   x = 12,660,300,324/81,708.75
6. Step 6: Final answer
   x = 154,944.24