Finding the Third Proportional to 6,357.38 and 9,171.56

Step by Step Solution

1. Step 1: Write the proportion equation
   6,357.38 : 9,171.56 = 9,171.56 : x
2. Step 2: Convert to fraction form
   6,357.38/9,171.56 = 9,171.56/x
3. Step 3: Cross multiply
   6,357.38x = 9,171.56 × 9,171.56
4. Step 4: Simplify right side
   6,357.38x = 84,117,558.69
5. Step 5: Solve for x
   x = 84,117,558.69/6,357.38
6. Step 6: Final answer
   x = 13,231.49