Finding the Third Proportional to 91,404 and 200,628

Step by Step Solution

1. Step 1: Write the proportion equation
   91,404 : 200,628 = 200,628 : x
2. Step 2: Convert to fraction form
   91,404/200,628 = 200,628/x
3. Step 3: Cross multiply
   91,404x = 200,628 × 200,628
4. Step 4: Simplify right side
   91,404x = 40,251,594,384
5. Step 5: Solve for x
   x = 40,251,594,384/91,404
6. Step 6: Final answer
   x = 440,370.16