Finding the Third Proportional to 3,087 and 5,688

Step by Step Solution

1. Step 1: Write the proportion equation
   3,087 : 5,688 = 5,688 : x
2. Step 2: Convert to fraction form
   3,087/5,688 = 5,688/x
3. Step 3: Cross multiply
   3,087x = 5,688 × 5,688
4. Step 4: Simplify right side
   3,087x = 32,353,344
5. Step 5: Solve for x
   x = 32,353,344/3,087
6. Step 6: Final answer
   x = 10,480.51