Finding the Third Proportional to 11,865.38 and 17,615.25

Step by Step Solution

1. Step 1: Write the proportion equation
   11,865.38 : 17,615.25 = 17,615.25 : x
2. Step 2: Convert to fraction form
   11,865.38/17,615.25 = 17,615.25/x
3. Step 3: Cross multiply
   11,865.38x = 17,615.25 × 17,615.25
4. Step 4: Simplify right side
   11,865.38x = 310,297,032.56
5. Step 5: Solve for x
   x = 310,297,032.56/11,865.38
6. Step 6: Final answer
   x = 26,151.47