Finding the Third Proportional to 2,208.36 and 4,826.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,208.36 : 4,826.78 = 4,826.78 : x
2. Step 2: Convert to fraction form
   2,208.36/4,826.78 = 4,826.78/x
3. Step 3: Cross multiply
   2,208.36x = 4,826.78 × 4,826.78
4. Step 4: Simplify right side
   2,208.36x = 23,297,779.53
5. Step 5: Solve for x
   x = 23,297,779.53/2,208.36
6. Step 6: Final answer
   x = 10,549.82