Finding the Third Proportional to 411,836 and 902,404

Step by Step Solution

1. Step 1: Write the proportion equation
   411,836 : 902,404 = 902,404 : x
2. Step 2: Convert to fraction form
   411,836/902,404 = 902,404/x
3. Step 3: Cross multiply
   411,836x = 902,404 × 902,404
4. Step 4: Simplify right side
   411,836x = 814,332,979,216
5. Step 5: Solve for x
   x = 814,332,979,216/411,836
6. Step 6: Final answer
   x = 1,977,323.45