Finding the Third Proportional to 3,912 and 3,912

Step by Step Solution

1. Step 1: Write the proportion equation
   3,912 : 3,912 = 3,912 : x
2. Step 2: Convert to fraction form
   3,912/3,912 = 3,912/x
3. Step 3: Cross multiply
   3,912x = 3,912 × 3,912
4. Step 4: Simplify right side
   3,912x = 15,303,744
5. Step 5: Solve for x
   x = 15,303,744/3,912
6. Step 6: Final answer
   x = 3,912