Finding the Third Proportional to 799,769 and 1,689,448

Step by Step Solution

1. Step 1: Write the proportion equation
   799,769 : 1,689,448 = 1,689,448 : x
2. Step 2: Convert to fraction form
   799,769/1,689,448 = 1,689,448/x
3. Step 3: Cross multiply
   799,769x = 1,689,448 × 1,689,448
4. Step 4: Simplify right side
   799,769x = 2,854,234,544,704
5. Step 5: Solve for x
   x = 2,854,234,544,704/799,769
6. Step 6: Final answer
   x = 3,568,823.68