Finding the Third Proportional to 3,820 and 5,140

Step by Step Solution

1. Step 1: Write the proportion equation
   3,820 : 5,140 = 5,140 : x
2. Step 2: Convert to fraction form
   3,820/5,140 = 5,140/x
3. Step 3: Cross multiply
   3,820x = 5,140 × 5,140
4. Step 4: Simplify right side
   3,820x = 26,419,600
5. Step 5: Solve for x
   x = 26,419,600/3,820
6. Step 6: Final answer
   x = 6,916.13