Finding the Third Proportional to 4,177.41 and 8,699.27

Step by Step Solution

1. Step 1: Write the proportion equation
   4,177.41 : 8,699.27 = 8,699.27 : x
2. Step 2: Convert to fraction form
   4,177.41/8,699.27 = 8,699.27/x
3. Step 3: Cross multiply
   4,177.41x = 8,699.27 × 8,699.27
4. Step 4: Simplify right side
   4,177.41x = 75,677,358.34
5. Step 5: Solve for x
   x = 75,677,358.34/4,177.41
6. Step 6: Final answer
   x = 18,115.87