Finding the Third Proportional to 144,180 and 308,286

Step by Step Solution

1. Step 1: Write the proportion equation
   144,180 : 308,286 = 308,286 : x
2. Step 2: Convert to fraction form
   144,180/308,286 = 308,286/x
3. Step 3: Cross multiply
   144,180x = 308,286 × 308,286
4. Step 4: Simplify right side
   144,180x = 95,040,257,796
5. Step 5: Solve for x
   x = 95,040,257,796/144,180
6. Step 6: Final answer
   x = 659,177.82