Finding the Third Proportional to 810,466 and 1,763,638

Step by Step Solution

1. Step 1: Write the proportion equation
   810,466 : 1,763,638 = 1,763,638 : x
2. Step 2: Convert to fraction form
   810,466/1,763,638 = 1,763,638/x
3. Step 3: Cross multiply
   810,466x = 1,763,638 × 1,763,638
4. Step 4: Simplify right side
   810,466x = 3,110,418,995,044
5. Step 5: Solve for x
   x = 3,110,418,995,044/810,466
6. Step 6: Final answer
   x = 3,837,815.52