Finding the Third Proportional to 11,151 and 17,258.63

Step by Step Solution

1. Step 1: Write the proportion equation
   11,151 : 17,258.63 = 17,258.63 : x
2. Step 2: Convert to fraction form
   11,151/17,258.63 = 17,258.63/x
3. Step 3: Cross multiply
   11,151x = 17,258.63 × 17,258.63
4. Step 4: Simplify right side
   11,151x = 297,860,136.89
5. Step 5: Solve for x
   x = 297,860,136.89/11,151
6. Step 6: Final answer
   x = 26,711.52