Finding the Third Proportional to 200,885 and 445,826

Step by Step Solution

1. Step 1: Write the proportion equation
   200,885 : 445,826 = 445,826 : x
2. Step 2: Convert to fraction form
   200,885/445,826 = 445,826/x
3. Step 3: Cross multiply
   200,885x = 445,826 × 445,826
4. Step 4: Simplify right side
   200,885x = 198,760,822,276
5. Step 5: Solve for x
   x = 198,760,822,276/200,885
6. Step 6: Final answer
   x = 989,425.90