Finding the Third Proportional to 2,800 and 5,529

Step by Step Solution

1. Step 1: Write the proportion equation
   2,800 : 5,529 = 5,529 : x
2. Step 2: Convert to fraction form
   2,800/5,529 = 5,529/x
3. Step 3: Cross multiply
   2,800x = 5,529 × 5,529
4. Step 4: Simplify right side
   2,800x = 30,569,841
5. Step 5: Solve for x
   x = 30,569,841/2,800
6. Step 6: Final answer
   x = 10,917.80