Finding the Third Proportional to 12,960 and 13,952

Step by Step Solution

1. Step 1: Write the proportion equation
   12,960 : 13,952 = 13,952 : x
2. Step 2: Convert to fraction form
   12,960/13,952 = 13,952/x
3. Step 3: Cross multiply
   12,960x = 13,952 × 13,952
4. Step 4: Simplify right side
   12,960x = 194,658,304
5. Step 5: Solve for x
   x = 194,658,304/12,960
6. Step 6: Final answer
   x = 15,019.93