Finding the Third Proportional to 799,777 and 1,689,464

Step by Step Solution

1. Step 1: Write the proportion equation
   799,777 : 1,689,464 = 1,689,464 : x
2. Step 2: Convert to fraction form
   799,777/1,689,464 = 1,689,464/x
3. Step 3: Cross multiply
   799,777x = 1,689,464 × 1,689,464
4. Step 4: Simplify right side
   799,777x = 2,854,288,607,296
5. Step 5: Solve for x
   x = 2,854,288,607,296/799,777
6. Step 6: Final answer
   x = 3,568,855.58