Finding the Third Proportional to 2,628 and 3,908.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,628 : 3,908.25 = 3,908.25 : x
2. Step 2: Convert to fraction form
   2,628/3,908.25 = 3,908.25/x
3. Step 3: Cross multiply
   2,628x = 3,908.25 × 3,908.25
4. Step 4: Simplify right side
   2,628x = 15,274,418.06
5. Step 5: Solve for x
   x = 15,274,418.06/2,628
6. Step 6: Final answer
   x = 5,812.18