Finding the Third Proportional to 67,197 and 144,762

Step by Step Solution

1. Step 1: Write the proportion equation
   67,197 : 144,762 = 144,762 : x
2. Step 2: Convert to fraction form
   67,197/144,762 = 144,762/x
3. Step 3: Cross multiply
   67,197x = 144,762 × 144,762
4. Step 4: Simplify right side
   67,197x = 20,956,036,644
5. Step 5: Solve for x
   x = 20,956,036,644/67,197
6. Step 6: Final answer
   x = 311,859.71