Finding the Third Proportional to 2,513.11 and 5,521.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,513.11 : 5,521.92 = 5,521.92 : x
2. Step 2: Convert to fraction form
   2,513.11/5,521.92 = 5,521.92/x
3. Step 3: Cross multiply
   2,513.11x = 5,521.92 × 5,521.92
4. Step 4: Simplify right side
   2,513.11x = 30,491,621.19
5. Step 5: Solve for x
   x = 30,491,621.19/2,513.11
6. Step 6: Final answer
   x = 12,133.03