Finding the Third Proportional to 2,636 and 3,116

Step by Step Solution

1. Step 1: Write the proportion equation
   2,636 : 3,116 = 3,116 : x
2. Step 2: Convert to fraction form
   2,636/3,116 = 3,116/x
3. Step 3: Cross multiply
   2,636x = 3,116 × 3,116
4. Step 4: Simplify right side
   2,636x = 9,709,456
5. Step 5: Solve for x
   x = 9,709,456/2,636
6. Step 6: Final answer
   x = 3,683.41