Finding the Third Proportional to 11,871.56 and 17,197.31

Step by Step Solution

1. Step 1: Write the proportion equation
   11,871.56 : 17,197.31 = 17,197.31 : x
2. Step 2: Convert to fraction form
   11,871.56/17,197.31 = 17,197.31/x
3. Step 3: Cross multiply
   11,871.56x = 17,197.31 × 17,197.31
4. Step 4: Simplify right side
   11,871.56x = 295,747,557.22
5. Step 5: Solve for x
   x = 295,747,557.22/11,871.56
6. Step 6: Final answer
   x = 24,912.27