Finding the Third Proportional to 644,808 and 1,016,676

Step by Step Solution

1. Step 1: Write the proportion equation
   644,808 : 1,016,676 = 1,016,676 : x
2. Step 2: Convert to fraction form
   644,808/1,016,676 = 1,016,676/x
3. Step 3: Cross multiply
   644,808x = 1,016,676 × 1,016,676
4. Step 4: Simplify right side
   644,808x = 1,033,630,088,976
5. Step 5: Solve for x
   x = 1,033,630,088,976/644,808
6. Step 6: Final answer
   x = 1,603,004.44