Finding the Third Proportional to 2,608 and 2,788

Step by Step Solution

1. Step 1: Write the proportion equation
   2,608 : 2,788 = 2,788 : x
2. Step 2: Convert to fraction form
   2,608/2,788 = 2,788/x
3. Step 3: Cross multiply
   2,608x = 2,788 × 2,788
4. Step 4: Simplify right side
   2,608x = 7,772,944
5. Step 5: Solve for x
   x = 7,772,944/2,608
6. Step 6: Final answer
   x = 2,980.42