Finding the Third Proportional to 140,162 and 217,626

Step by Step Solution

1. Step 1: Write the proportion equation
   140,162 : 217,626 = 217,626 : x
2. Step 2: Convert to fraction form
   140,162/217,626 = 217,626/x
3. Step 3: Cross multiply
   140,162x = 217,626 × 217,626
4. Step 4: Simplify right side
   140,162x = 47,361,075,876
5. Step 5: Solve for x
   x = 47,361,075,876/140,162
6. Step 6: Final answer
   x = 337,902.40