Finding the Third Proportional to 88,501.78 and 132,721.88

Step by Step Solution

1. Step 1: Write the proportion equation
   88,501.78 : 132,721.88 = 132,721.88 : x
2. Step 2: Convert to fraction form
   88,501.78/132,721.88 = 132,721.88/x
3. Step 3: Cross multiply
   88,501.78x = 132,721.88 × 132,721.88
4. Step 4: Simplify right side
   88,501.78x = 17,615,096,103.52
5. Step 5: Solve for x
   x = 17,615,096,103.52/88,501.78
6. Step 6: Final answer
   x = 199,036.63