Finding the Third Proportional to 12,648 and 15,948

Step by Step Solution

1. Step 1: Write the proportion equation
   12,648 : 15,948 = 15,948 : x
2. Step 2: Convert to fraction form
   12,648/15,948 = 15,948/x
3. Step 3: Cross multiply
   12,648x = 15,948 × 15,948
4. Step 4: Simplify right side
   12,648x = 254,338,704
5. Step 5: Solve for x
   x = 254,338,704/12,648
6. Step 6: Final answer
   x = 20,109.01