Finding the Third Proportional to 2,718.56 and 3,816.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,718.56 : 3,816.28 = 3,816.28 : x
2. Step 2: Convert to fraction form
   2,718.56/3,816.28 = 3,816.28/x
3. Step 3: Cross multiply
   2,718.56x = 3,816.28 × 3,816.28
4. Step 4: Simplify right side
   2,718.56x = 14,564,002.58
5. Step 5: Solve for x
   x = 14,564,002.58/2,718.56
6. Step 6: Final answer
   x = 5,357.24