Finding the Third Proportional to 7,257.09 and 11,233.69

Step by Step Solution

1. Step 1: Write the proportion equation
   7,257.09 : 11,233.69 = 11,233.69 : x
2. Step 2: Convert to fraction form
   7,257.09/11,233.69 = 11,233.69/x
3. Step 3: Cross multiply
   7,257.09x = 11,233.69 × 11,233.69
4. Step 4: Simplify right side
   7,257.09x = 126,195,734.85
5. Step 5: Solve for x
   x = 126,195,734.85/7,257.09
6. Step 6: Final answer
   x = 17,389.29