Finding the Third Proportional to 67,188 and 144,744

Step by Step Solution

1. Step 1: Write the proportion equation
   67,188 : 144,744 = 144,744 : x
2. Step 2: Convert to fraction form
   67,188/144,744 = 144,744/x
3. Step 3: Cross multiply
   67,188x = 144,744 × 144,744
4. Step 4: Simplify right side
   67,188x = 20,950,825,536
5. Step 5: Solve for x
   x = 20,950,825,536/67,188
6. Step 6: Final answer
   x = 311,823.92