Finding the Third Proportional to 2,310.56 and 3,555.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,310.56 : 3,555.09 = 3,555.09 : x
2. Step 2: Convert to fraction form
   2,310.56/3,555.09 = 3,555.09/x
3. Step 3: Cross multiply
   2,310.56x = 3,555.09 × 3,555.09
4. Step 4: Simplify right side
   2,310.56x = 12,638,691.57
5. Step 5: Solve for x
   x = 12,638,691.57/2,310.56
6. Step 6: Final answer
   x = 5,469.96