Finding the Third Proportional to 11,168.72 and 17,277.89

Step by Step Solution

1. Step 1: Write the proportion equation
   11,168.72 : 17,277.89 = 17,277.89 : x
2. Step 2: Convert to fraction form
   11,168.72/17,277.89 = 17,277.89/x
3. Step 3: Cross multiply
   11,168.72x = 17,277.89 × 17,277.89
4. Step 4: Simplify right side
   11,168.72x = 298,525,504.45
5. Step 5: Solve for x
   x = 298,525,504.45/11,168.72
6. Step 6: Final answer
   x = 26,728.72