Finding the Third Proportional to 11,118.52 and 17,315.65

Step by Step Solution

1. Step 1: Write the proportion equation
   11,118.52 : 17,315.65 = 17,315.65 : x
2. Step 2: Convert to fraction form
   11,118.52/17,315.65 = 17,315.65/x
3. Step 3: Cross multiply
   11,118.52x = 17,315.65 × 17,315.65
4. Step 4: Simplify right side
   11,118.52x = 299,831,680.81
5. Step 5: Solve for x
   x = 299,831,680.81/11,118.52
6. Step 6: Final answer
   x = 26,966.88