Finding the Third Proportional to 67,190 and 144,748

Step by Step Solution

1. Step 1: Write the proportion equation
   67,190 : 144,748 = 144,748 : x
2. Step 2: Convert to fraction form
   67,190/144,748 = 144,748/x
3. Step 3: Cross multiply
   67,190x = 144,748 × 144,748
4. Step 4: Simplify right side
   67,190x = 20,951,983,504
5. Step 5: Solve for x
   x = 20,951,983,504/67,190
6. Step 6: Final answer
   x = 311,831.87