Finding the Third Proportional to 2,438 and 5,360

Step by Step Solution

1. Step 1: Write the proportion equation
   2,438 : 5,360 = 5,360 : x
2. Step 2: Convert to fraction form
   2,438/5,360 = 5,360/x
3. Step 3: Cross multiply
   2,438x = 5,360 × 5,360
4. Step 4: Simplify right side
   2,438x = 28,729,600
5. Step 5: Solve for x
   x = 28,729,600/2,438
6. Step 6: Final answer
   x = 11,784.09