Finding the Third Proportional to 67,016 and 139,544

Step by Step Solution

1. Step 1: Write the proportion equation
   67,016 : 139,544 = 139,544 : x
2. Step 2: Convert to fraction form
   67,016/139,544 = 139,544/x
3. Step 3: Cross multiply
   67,016x = 139,544 × 139,544
4. Step 4: Simplify right side
   67,016x = 19,472,527,936
5. Step 5: Solve for x
   x = 19,472,527,936/67,016
6. Step 6: Final answer
   x = 290,565.36