Finding the Third Proportional to 68,869 and 144,709.50

Step by Step Solution

1. Step 1: Write the proportion equation
   68,869 : 144,709.50 = 144,709.50 : x
2. Step 2: Convert to fraction form
   68,869/144,709.50 = 144,709.50/x
3. Step 3: Cross multiply
   68,869x = 144,709.50 × 144,709.50
4. Step 4: Simplify right side
   68,869x = 20,940,839,390.25
5. Step 5: Solve for x
   x = 20,940,839,390.25/68,869
6. Step 6: Final answer
   x = 304,067.71