Finding the Third Proportional to 2,168.44 and 5,243.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,168.44 : 5,243.91 = 5,243.91 : x
2. Step 2: Convert to fraction form
   2,168.44/5,243.91 = 5,243.91/x
3. Step 3: Cross multiply
   2,168.44x = 5,243.91 × 5,243.91
4. Step 4: Simplify right side
   2,168.44x = 27,498,552.76
5. Step 5: Solve for x
   x = 27,498,552.76/2,168.44
6. Step 6: Final answer
   x = 12,681.28