Finding the Third Proportional to 388,973 and 804,944

Step by Step Solution

1. Step 1: Write the proportion equation
   388,973 : 804,944 = 804,944 : x
2. Step 2: Convert to fraction form
   388,973/804,944 = 804,944/x
3. Step 3: Cross multiply
   388,973x = 804,944 × 804,944
4. Step 4: Simplify right side
   388,973x = 647,934,843,136
5. Step 5: Solve for x
   x = 647,934,843,136/388,973
6. Step 6: Final answer
   x = 1,665,757.89