Finding the Third Proportional to 2,599.50 and 5,571.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,599.50 : 5,571.38 = 5,571.38 : x
2. Step 2: Convert to fraction form
   2,599.50/5,571.38 = 5,571.38/x
3. Step 3: Cross multiply
   2,599.50x = 5,571.38 × 5,571.38
4. Step 4: Simplify right side
   2,599.50x = 31,040,219.39
5. Step 5: Solve for x
   x = 31,040,219.39/2,599.50
6. Step 6: Final answer
   x = 11,940.84