Finding the Third Proportional to 3,936 and 5,516

Step by Step Solution

1. Step 1: Write the proportion equation
   3,936 : 5,516 = 5,516 : x
2. Step 2: Convert to fraction form
   3,936/5,516 = 5,516/x
3. Step 3: Cross multiply
   3,936x = 5,516 × 5,516
4. Step 4: Simplify right side
   3,936x = 30,426,256
5. Step 5: Solve for x
   x = 30,426,256/3,936
6. Step 6: Final answer
   x = 7,730.25