Finding the Third Proportional to 3,357.56 and 7,155.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,357.56 : 7,155.56 = 7,155.56 : x
2. Step 2: Convert to fraction form
   3,357.56/7,155.56 = 7,155.56/x
3. Step 3: Cross multiply
   3,357.56x = 7,155.56 × 7,155.56
4. Step 4: Simplify right side
   3,357.56x = 51,202,074.69
5. Step 5: Solve for x
   x = 51,202,074.69/3,357.56
6. Step 6: Final answer
   x = 15,249.78