Finding the Third Proportional to 2,418.56 and 5,277.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,418.56 : 5,277.56 = 5,277.56 : x
2. Step 2: Convert to fraction form
   2,418.56/5,277.56 = 5,277.56/x
3. Step 3: Cross multiply
   2,418.56x = 5,277.56 × 5,277.56
4. Step 4: Simplify right side
   2,418.56x = 27,852,665.94
5. Step 5: Solve for x
   x = 27,852,665.94/2,418.56
6. Step 6: Final answer
   x = 11,516.21