Finding the Third Proportional to 11,576.25 and 12,791.25

Step by Step Solution

1. Step 1: Write the proportion equation
   11,576.25 : 12,791.25 = 12,791.25 : x
2. Step 2: Convert to fraction form
   11,576.25/12,791.25 = 12,791.25/x
3. Step 3: Cross multiply
   11,576.25x = 12,791.25 × 12,791.25
4. Step 4: Simplify right side
   11,576.25x = 163,616,076.56
5. Step 5: Solve for x
   x = 163,616,076.56/11,576.25
6. Step 6: Final answer
   x = 14,133.77