Finding the Third Proportional to 65,198 and 143,068

Step by Step Solution

1. Step 1: Write the proportion equation
   65,198 : 143,068 = 143,068 : x
2. Step 2: Convert to fraction form
   65,198/143,068 = 143,068/x
3. Step 3: Cross multiply
   65,198x = 143,068 × 143,068
4. Step 4: Simplify right side
   65,198x = 20,468,452,624
5. Step 5: Solve for x
   x = 20,468,452,624/65,198
6. Step 6: Final answer
   x = 313,942.95