Finding the Third Proportional to 140,618 and 303,336

Step by Step Solution

1. Step 1: Write the proportion equation
   140,618 : 303,336 = 303,336 : x
2. Step 2: Convert to fraction form
   140,618/303,336 = 303,336/x
3. Step 3: Cross multiply
   140,618x = 303,336 × 303,336
4. Step 4: Simplify right side
   140,618x = 92,012,728,896
5. Step 5: Solve for x
   x = 92,012,728,896/140,618
6. Step 6: Final answer
   x = 654,345.31