Finding the Third Proportional to 2,658 and 5,730

Step by Step Solution

1. Step 1: Write the proportion equation
   2,658 : 5,730 = 5,730 : x
2. Step 2: Convert to fraction form
   2,658/5,730 = 5,730/x
3. Step 3: Cross multiply
   2,658x = 5,730 × 5,730
4. Step 4: Simplify right side
   2,658x = 32,832,900
5. Step 5: Solve for x
   x = 32,832,900/2,658
6. Step 6: Final answer
   x = 12,352.48