Finding the Third Proportional to 3,882.38 and 8,379.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,882.38 : 8,379.56 = 8,379.56 : x
2. Step 2: Convert to fraction form
   3,882.38/8,379.56 = 8,379.56/x
3. Step 3: Cross multiply
   3,882.38x = 8,379.56 × 8,379.56
4. Step 4: Simplify right side
   3,882.38x = 70,217,067.69
5. Step 5: Solve for x
   x = 70,217,067.69/3,882.38
6. Step 6: Final answer
   x = 18,086.11