Finding the Third Proportional to 67,198 and 140,876

Step by Step Solution

1. Step 1: Write the proportion equation
   67,198 : 140,876 = 140,876 : x
2. Step 2: Convert to fraction form
   67,198/140,876 = 140,876/x
3. Step 3: Cross multiply
   67,198x = 140,876 × 140,876
4. Step 4: Simplify right side
   67,198x = 19,846,047,376
5. Step 5: Solve for x
   x = 19,846,047,376/67,198
6. Step 6: Final answer
   x = 295,336.88