Finding the Third Proportional to 67,872.38 and 144,759.38

Step by Step Solution

1. Step 1: Write the proportion equation
   67,872.38 : 144,759.38 = 144,759.38 : x
2. Step 2: Convert to fraction form
   67,872.38/144,759.38 = 144,759.38/x
3. Step 3: Cross multiply
   67,872.38x = 144,759.38 × 144,759.38
4. Step 4: Simplify right side
   67,872.38x = 20,955,276,650.39
5. Step 5: Solve for x
   x = 20,955,276,650.39/67,872.38
6. Step 6: Final answer
   x = 308,745.30