Finding the Third Proportional to 2,608 and 5,623

Step by Step Solution

1. Step 1: Write the proportion equation
   2,608 : 5,623 = 5,623 : x
2. Step 2: Convert to fraction form
   2,608/5,623 = 5,623/x
3. Step 3: Cross multiply
   2,608x = 5,623 × 5,623
4. Step 4: Simplify right side
   2,608x = 31,618,129
5. Step 5: Solve for x
   x = 31,618,129/2,608
6. Step 6: Final answer
   x = 12,123.52