Finding the Third Proportional to 123,018 and 200,874

Step by Step Solution

1. Step 1: Write the proportion equation
   123,018 : 200,874 = 200,874 : x
2. Step 2: Convert to fraction form
   123,018/200,874 = 200,874/x
3. Step 3: Cross multiply
   123,018x = 200,874 × 200,874
4. Step 4: Simplify right side
   123,018x = 40,350,363,876
5. Step 5: Solve for x
   x = 40,350,363,876/123,018
6. Step 6: Final answer
   x = 328,003.74