Finding the Third Proportional to 1,988 and 3,116

Step by Step Solution

1. Step 1: Write the proportion equation
   1,988 : 3,116 = 3,116 : x
2. Step 2: Convert to fraction form
   1,988/3,116 = 3,116/x
3. Step 3: Cross multiply
   1,988x = 3,116 × 3,116
4. Step 4: Simplify right side
   1,988x = 9,709,456
5. Step 5: Solve for x
   x = 9,709,456/1,988
6. Step 6: Final answer
   x = 4,884.03