Finding the Third Proportional to 789,986 and 1,699,858

Step by Step Solution

1. Step 1: Write the proportion equation
   789,986 : 1,699,858 = 1,699,858 : x
2. Step 2: Convert to fraction form
   789,986/1,699,858 = 1,699,858/x
3. Step 3: Cross multiply
   789,986x = 1,699,858 × 1,699,858
4. Step 4: Simplify right side
   789,986x = 2,889,517,220,164
5. Step 5: Solve for x
   x = 2,889,517,220,164/789,986
6. Step 6: Final answer
   x = 3,657,681.55