Finding the Third Proportional to 89,811.28 and 124,875.42

Step by Step Solution

1. Step 1: Write the proportion equation
   89,811.28 : 124,875.42 = 124,875.42 : x
2. Step 2: Convert to fraction form
   89,811.28/124,875.42 = 124,875.42/x
3. Step 3: Cross multiply
   89,811.28x = 124,875.42 × 124,875.42
4. Step 4: Simplify right side
   89,811.28x = 15,593,870,988.46
5. Step 5: Solve for x
   x = 15,593,870,988.46/89,811.28
6. Step 6: Final answer
   x = 173,629.31