Finding the Third Proportional to 2,571.38 and 5,543.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,571.38 : 5,543.25 = 5,543.25 : x
2. Step 2: Convert to fraction form
   2,571.38/5,543.25 = 5,543.25/x
3. Step 3: Cross multiply
   2,571.38x = 5,543.25 × 5,543.25
4. Step 4: Simplify right side
   2,571.38x = 30,727,620.56
5. Step 5: Solve for x
   x = 30,727,620.56/2,571.38
6. Step 6: Final answer
   x = 11,949.88