Finding the Third Proportional to 789,988 and 1,699,862

Step by Step Solution

1. Step 1: Write the proportion equation
   789,988 : 1,699,862 = 1,699,862 : x
2. Step 2: Convert to fraction form
   789,988/1,699,862 = 1,699,862/x
3. Step 3: Cross multiply
   789,988x = 1,699,862 × 1,699,862
4. Step 4: Simplify right side
   789,988x = 2,889,530,819,044
5. Step 5: Solve for x
   x = 2,889,530,819,044/789,988
6. Step 6: Final answer
   x = 3,657,689.51