Finding the Third Proportional to 11,264 and 17,240

Step by Step Solution

1. Step 1: Write the proportion equation
   11,264 : 17,240 = 17,240 : x
2. Step 2: Convert to fraction form
   11,264/17,240 = 17,240/x
3. Step 3: Cross multiply
   11,264x = 17,240 × 17,240
4. Step 4: Simplify right side
   11,264x = 297,217,600
5. Step 5: Solve for x
   x = 297,217,600/11,264
6. Step 6: Final answer
   x = 26,386.51