Finding the Third Proportional to 828,644 and 1,804,906

Step by Step Solution

1. Step 1: Write the proportion equation
   828,644 : 1,804,906 = 1,804,906 : x
2. Step 2: Convert to fraction form
   828,644/1,804,906 = 1,804,906/x
3. Step 3: Cross multiply
   828,644x = 1,804,906 × 1,804,906
4. Step 4: Simplify right side
   828,644x = 3,257,685,668,836
5. Step 5: Solve for x
   x = 3,257,685,668,836/828,644
6. Step 6: Final answer
   x = 3,931,345.27