Finding the Third Proportional to 67,108 and 145,144

Step by Step Solution

1. Step 1: Write the proportion equation
   67,108 : 145,144 = 145,144 : x
2. Step 2: Convert to fraction form
   67,108/145,144 = 145,144/x
3. Step 3: Cross multiply
   67,108x = 145,144 × 145,144
4. Step 4: Simplify right side
   67,108x = 21,066,780,736
5. Step 5: Solve for x
   x = 21,066,780,736/67,108
6. Step 6: Final answer
   x = 313,923.54