Finding the Third Proportional to 2,571.75 and 5,330.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,571.75 : 5,330.81 = 5,330.81 : x
2. Step 2: Convert to fraction form
   2,571.75/5,330.81 = 5,330.81/x
3. Step 3: Cross multiply
   2,571.75x = 5,330.81 × 5,330.81
4. Step 4: Simplify right side
   2,571.75x = 28,417,561.91
5. Step 5: Solve for x
   x = 28,417,561.91/2,571.75
6. Step 6: Final answer
   x = 11,049.89