Finding the Third Proportional to 799,773 and 1,689,456

Step by Step Solution

1. Step 1: Write the proportion equation
   799,773 : 1,689,456 = 1,689,456 : x
2. Step 2: Convert to fraction form
   799,773/1,689,456 = 1,689,456/x
3. Step 3: Cross multiply
   799,773x = 1,689,456 × 1,689,456
4. Step 4: Simplify right side
   799,773x = 2,854,261,575,936
5. Step 5: Solve for x
   x = 2,854,261,575,936/799,773
6. Step 6: Final answer
   x = 3,568,839.63