Finding the Third Proportional to 4,087.69 and 9,100.69

Step by Step Solution

1. Step 1: Write the proportion equation
   4,087.69 : 9,100.69 = 9,100.69 : x
2. Step 2: Convert to fraction form
   4,087.69/9,100.69 = 9,100.69/x
3. Step 3: Cross multiply
   4,087.69x = 9,100.69 × 9,100.69
4. Step 4: Simplify right side
   4,087.69x = 82,822,512.97
5. Step 5: Solve for x
   x = 82,822,512.97/4,087.69
6. Step 6: Final answer
   x = 20,261.46