Finding the Third Proportional to 4,099.88 and 8,769.38

Step by Step Solution

1. Step 1: Write the proportion equation
   4,099.88 : 8,769.38 = 8,769.38 : x
2. Step 2: Convert to fraction form
   4,099.88/8,769.38 = 8,769.38/x
3. Step 3: Cross multiply
   4,099.88x = 8,769.38 × 8,769.38
4. Step 4: Simplify right side
   4,099.88x = 76,901,937.89
5. Step 5: Solve for x
   x = 76,901,937.89/4,099.88
6. Step 6: Final answer
   x = 18,757.14