Finding the Third Proportional to 789,992 and 1,699,870

Step by Step Solution

1. Step 1: Write the proportion equation
   789,992 : 1,699,870 = 1,699,870 : x
2. Step 2: Convert to fraction form
   789,992/1,699,870 = 1,699,870/x
3. Step 3: Cross multiply
   789,992x = 1,699,870 × 1,699,870
4. Step 4: Simplify right side
   789,992x = 2,889,558,016,900
5. Step 5: Solve for x
   x = 2,889,558,016,900/789,992
6. Step 6: Final answer
   x = 3,657,705.42