Finding the Third Proportional to 2,619.56 and 3,603.66

Step by Step Solution

1. Step 1: Write the proportion equation
   2,619.56 : 3,603.66 = 3,603.66 : x
2. Step 2: Convert to fraction form
   2,619.56/3,603.66 = 3,603.66/x
3. Step 3: Cross multiply
   2,619.56x = 3,603.66 × 3,603.66
4. Step 4: Simplify right side
   2,619.56x = 12,986,338.37
5. Step 5: Solve for x
   x = 12,986,338.37/2,619.56
6. Step 6: Final answer
   x = 4,957.45