Finding the Third Proportional to 91,605 and 200,922

Step by Step Solution

1. Step 1: Write the proportion equation
   91,605 : 200,922 = 200,922 : x
2. Step 2: Convert to fraction form
   91,605/200,922 = 200,922/x
3. Step 3: Cross multiply
   91,605x = 200,922 × 200,922
4. Step 4: Simplify right side
   91,605x = 40,369,650,084
5. Step 5: Solve for x
   x = 40,369,650,084/91,605
6. Step 6: Final answer
   x = 440,692.65