Finding the Third Proportional to 67,238 and 144,850

Step by Step Solution

1. Step 1: Write the proportion equation
   67,238 : 144,850 = 144,850 : x
2. Step 2: Convert to fraction form
   67,238/144,850 = 144,850/x
3. Step 3: Cross multiply
   67,238x = 144,850 × 144,850
4. Step 4: Simplify right side
   67,238x = 20,981,522,500
5. Step 5: Solve for x
   x = 20,981,522,500/67,238
6. Step 6: Final answer
   x = 312,048.58