Finding the Third Proportional to 404,620 and 885,434

Step by Step Solution

1. Step 1: Write the proportion equation
   404,620 : 885,434 = 885,434 : x
2. Step 2: Convert to fraction form
   404,620/885,434 = 885,434/x
3. Step 3: Cross multiply
   404,620x = 885,434 × 885,434
4. Step 4: Simplify right side
   404,620x = 783,993,368,356
5. Step 5: Solve for x
   x = 783,993,368,356/404,620
6. Step 6: Final answer
   x = 1,937,604.09