Finding the Third Proportional to 11,681.50 and 16,791.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,681.50 : 16,791.50 = 16,791.50 : x
2. Step 2: Convert to fraction form
   11,681.50/16,791.50 = 16,791.50/x
3. Step 3: Cross multiply
   11,681.50x = 16,791.50 × 16,791.50
4. Step 4: Simplify right side
   11,681.50x = 281,954,472.25
5. Step 5: Solve for x
   x = 281,954,472.25/11,681.50
6. Step 6: Final answer
   x = 24,136.84