Finding the Third Proportional to 2,599.50 and 5,721

Step by Step Solution

1. Step 1: Write the proportion equation
   2,599.50 : 5,721 = 5,721 : x
2. Step 2: Convert to fraction form
   2,599.50/5,721 = 5,721/x
3. Step 3: Cross multiply
   2,599.50x = 5,721 × 5,721
4. Step 4: Simplify right side
   2,599.50x = 32,729,841
5. Step 5: Solve for x
   x = 32,729,841/2,599.50
6. Step 6: Final answer
   x = 12,590.82