Finding the Third Proportional to 2,518 and 3,426

Step by Step Solution

1. Step 1: Write the proportion equation
   2,518 : 3,426 = 3,426 : x
2. Step 2: Convert to fraction form
   2,518/3,426 = 3,426/x
3. Step 3: Cross multiply
   2,518x = 3,426 × 3,426
4. Step 4: Simplify right side
   2,518x = 11,737,476
5. Step 5: Solve for x
   x = 11,737,476/2,518
6. Step 6: Final answer
   x = 4,661.43