Finding the Third Proportional to 1,986 and 5,028

Step by Step Solution

1. Step 1: Write the proportion equation
   1,986 : 5,028 = 5,028 : x
2. Step 2: Convert to fraction form
   1,986/5,028 = 5,028/x
3. Step 3: Cross multiply
   1,986x = 5,028 × 5,028
4. Step 4: Simplify right side
   1,986x = 25,280,784
5. Step 5: Solve for x
   x = 25,280,784/1,986
6. Step 6: Final answer
   x = 12,729.50