Finding the Third Proportional to 11,424.09 and 17,040.66

Step by Step Solution

1. Step 1: Write the proportion equation
   11,424.09 : 17,040.66 = 17,040.66 : x
2. Step 2: Convert to fraction form
   11,424.09/17,040.66 = 17,040.66/x
3. Step 3: Cross multiply
   11,424.09x = 17,040.66 × 17,040.66
4. Step 4: Simplify right side
   11,424.09x = 290,383,965.43
5. Step 5: Solve for x
   x = 290,383,965.43/11,424.09
6. Step 6: Final answer
   x = 25,418.56