Finding the Third Proportional to 25,440 and 60,144

Step by Step Solution

1. Step 1: Write the proportion equation
   25,440 : 60,144 = 60,144 : x
2. Step 2: Convert to fraction form
   25,440/60,144 = 60,144/x
3. Step 3: Cross multiply
   25,440x = 60,144 × 60,144
4. Step 4: Simplify right side
   25,440x = 3,617,300,736
5. Step 5: Solve for x
   x = 3,617,300,736/25,440
6. Step 6: Final answer
   x = 142,189.49