Finding the Third Proportional to 2,128 and 5,754

Step by Step Solution

1. Step 1: Write the proportion equation
   2,128 : 5,754 = 5,754 : x
2. Step 2: Convert to fraction form
   2,128/5,754 = 5,754/x
3. Step 3: Cross multiply
   2,128x = 5,754 × 5,754
4. Step 4: Simplify right side
   2,128x = 33,108,516
5. Step 5: Solve for x
   x = 33,108,516/2,128
6. Step 6: Final answer
   x = 15,558.51