Finding the Third Proportional to 2,358.56 and 5,508.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,358.56 : 5,508.28 = 5,508.28 : x
2. Step 2: Convert to fraction form
   2,358.56/5,508.28 = 5,508.28/x
3. Step 3: Cross multiply
   2,358.56x = 5,508.28 × 5,508.28
4. Step 4: Simplify right side
   2,358.56x = 30,341,162.33
5. Step 5: Solve for x
   x = 30,341,162.33/2,358.56
6. Step 6: Final answer
   x = 12,864.26