Finding the Third Proportional to 10,879.50 and 17,241.75

Step by Step Solution

1. Step 1: Write the proportion equation
   10,879.50 : 17,241.75 = 17,241.75 : x
2. Step 2: Convert to fraction form
   10,879.50/17,241.75 = 17,241.75/x
3. Step 3: Cross multiply
   10,879.50x = 17,241.75 × 17,241.75
4. Step 4: Simplify right side
   10,879.50x = 297,277,943.06
5. Step 5: Solve for x
   x = 297,277,943.06/10,879.50
6. Step 6: Final answer
   x = 27,324.60