Finding the Third Proportional to 140,612 and 200,932

Step by Step Solution

1. Step 1: Write the proportion equation
   140,612 : 200,932 = 200,932 : x
2. Step 2: Convert to fraction form
   140,612/200,932 = 200,932/x
3. Step 3: Cross multiply
   140,612x = 200,932 × 200,932
4. Step 4: Simplify right side
   140,612x = 40,373,668,624
5. Step 5: Solve for x
   x = 40,373,668,624/140,612
6. Step 6: Final answer
   x = 287,128.19