Finding the Third Proportional to 2,496.68 and 3,155.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,496.68 : 3,155.56 = 3,155.56 : x
2. Step 2: Convert to fraction form
   2,496.68/3,155.56 = 3,155.56/x
3. Step 3: Cross multiply
   2,496.68x = 3,155.56 × 3,155.56
4. Step 4: Simplify right side
   2,496.68x = 9,957,553.12
5. Step 5: Solve for x
   x = 9,957,553.12/2,496.68
6. Step 6: Final answer
   x = 3,988.31