Finding the Third Proportional to 2,612 and 5,603

Step by Step Solution

1. Step 1: Write the proportion equation
   2,612 : 5,603 = 5,603 : x
2. Step 2: Convert to fraction form
   2,612/5,603 = 5,603/x
3. Step 3: Cross multiply
   2,612x = 5,603 × 5,603
4. Step 4: Simplify right side
   2,612x = 31,393,609
5. Step 5: Solve for x
   x = 31,393,609/2,612
6. Step 6: Final answer
   x = 12,018.99