Finding the Third Proportional to 2,454.75 and 3,578.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,454.75 : 3,578.63 = 3,578.63 : x
2. Step 2: Convert to fraction form
   2,454.75/3,578.63 = 3,578.63/x
3. Step 3: Cross multiply
   2,454.75x = 3,578.63 × 3,578.63
4. Step 4: Simplify right side
   2,454.75x = 12,806,556.89
5. Step 5: Solve for x
   x = 12,806,556.89/2,454.75
6. Step 6: Final answer
   x = 5,217.05