Finding the Third Proportional to 2,223.56 and 3,996.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,223.56 : 3,996.56 = 3,996.56 : x
2. Step 2: Convert to fraction form
   2,223.56/3,996.56 = 3,996.56/x
3. Step 3: Cross multiply
   2,223.56x = 3,996.56 × 3,996.56
4. Step 4: Simplify right side
   2,223.56x = 15,972,511.82
5. Step 5: Solve for x
   x = 15,972,511.82/2,223.56
6. Step 6: Final answer
   x = 7,183.30