Finding the Third Proportional to 88,543.69 and 99,615.38

Step by Step Solution

1. Step 1: Write the proportion equation
   88,543.69 : 99,615.38 = 99,615.38 : x
2. Step 2: Convert to fraction form
   88,543.69/99,615.38 = 99,615.38/x
3. Step 3: Cross multiply
   88,543.69x = 99,615.38 × 99,615.38
4. Step 4: Simplify right side
   88,543.69x = 9,923,222,936.39
5. Step 5: Solve for x
   x = 9,923,222,936.39/88,543.69
6. Step 6: Final answer
   x = 112,071.49