Finding the Third Proportional to 8,569.13 and 13,471.31

Step by Step Solution

1. Step 1: Write the proportion equation
   8,569.13 : 13,471.31 = 13,471.31 : x
2. Step 2: Convert to fraction form
   8,569.13/13,471.31 = 13,471.31/x
3. Step 3: Cross multiply
   8,569.13x = 13,471.31 × 13,471.31
4. Step 4: Simplify right side
   8,569.13x = 181,476,260.47
5. Step 5: Solve for x
   x = 181,476,260.47/8,569.13
6. Step 6: Final answer
   x = 21,177.92