Finding the Third Proportional to 2,457.75 and 3,679.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,457.75 : 3,679.88 = 3,679.88 : x
2. Step 2: Convert to fraction form
   2,457.75/3,679.88 = 3,679.88/x
3. Step 3: Cross multiply
   2,457.75x = 3,679.88 × 3,679.88
4. Step 4: Simplify right side
   2,457.75x = 13,541,480.02
5. Step 5: Solve for x
   x = 13,541,480.02/2,457.75
6. Step 6: Final answer
   x = 5,509.71