Finding the Third Proportional to 2,880 and 3,136

Step by Step Solution

1. Step 1: Write the proportion equation
   2,880 : 3,136 = 3,136 : x
2. Step 2: Convert to fraction form
   2,880/3,136 = 3,136/x
3. Step 3: Cross multiply
   2,880x = 3,136 × 3,136
4. Step 4: Simplify right side
   2,880x = 9,834,496
5. Step 5: Solve for x
   x = 9,834,496/2,880
6. Step 6: Final answer
   x = 3,414.76