Finding the Third Proportional to 2,443.92 and 5,157.11

Step by Step Solution

1. Step 1: Write the proportion equation
   2,443.92 : 5,157.11 = 5,157.11 : x
2. Step 2: Convert to fraction form
   2,443.92/5,157.11 = 5,157.11/x
3. Step 3: Cross multiply
   2,443.92x = 5,157.11 × 5,157.11
4. Step 4: Simplify right side
   2,443.92x = 26,595,736.82
5. Step 5: Solve for x
   x = 26,595,736.82/2,443.92
6. Step 6: Final answer
   x = 10,882.40