Finding the Third Proportional to 2,790 and 5,058

Step by Step Solution

1. Step 1: Write the proportion equation
   2,790 : 5,058 = 5,058 : x
2. Step 2: Convert to fraction form
   2,790/5,058 = 5,058/x
3. Step 3: Cross multiply
   2,790x = 5,058 × 5,058
4. Step 4: Simplify right side
   2,790x = 25,583,364
5. Step 5: Solve for x
   x = 25,583,364/2,790
6. Step 6: Final answer
   x = 9,169.66