Finding the Third Proportional to 123,960 and 270,960

Step by Step Solution

1. Step 1: Write the proportion equation
   123,960 : 270,960 = 270,960 : x
2. Step 2: Convert to fraction form
   123,960/270,960 = 270,960/x
3. Step 3: Cross multiply
   123,960x = 270,960 × 270,960
4. Step 4: Simplify right side
   123,960x = 73,419,321,600
5. Step 5: Solve for x
   x = 73,419,321,600/123,960
6. Step 6: Final answer
   x = 592,282.36