Finding the Third Proportional to 2,290 and 3,688

Step by Step Solution

1. Step 1: Write the proportion equation
   2,290 : 3,688 = 3,688 : x
2. Step 2: Convert to fraction form
   2,290/3,688 = 3,688/x
3. Step 3: Cross multiply
   2,290x = 3,688 × 3,688
4. Step 4: Simplify right side
   2,290x = 13,601,344
5. Step 5: Solve for x
   x = 13,601,344/2,290
6. Step 6: Final answer
   x = 5,939.45