Finding the Third Proportional to 807,021 and 1,697,697

Step by Step Solution

1. Step 1: Write the proportion equation
   807,021 : 1,697,697 = 1,697,697 : x
2. Step 2: Convert to fraction form
   807,021/1,697,697 = 1,697,697/x
3. Step 3: Cross multiply
   807,021x = 1,697,697 × 1,697,697
4. Step 4: Simplify right side
   807,021x = 2,882,175,103,809
5. Step 5: Solve for x
   x = 2,882,175,103,809/807,021
6. Step 6: Final answer
   x = 3,571,375.59