Finding the Third Proportional to 799,770 and 1,689,450

Step by Step Solution

1. Step 1: Write the proportion equation
   799,770 : 1,689,450 = 1,689,450 : x
2. Step 2: Convert to fraction form
   799,770/1,689,450 = 1,689,450/x
3. Step 3: Cross multiply
   799,770x = 1,689,450 × 1,689,450
4. Step 4: Simplify right side
   799,770x = 2,854,241,302,500
5. Step 5: Solve for x
   x = 2,854,241,302,500/799,770
6. Step 6: Final answer
   x = 3,568,827.67