Finding the Third Proportional to 789,398 and 1,729,030

Step by Step Solution

1. Step 1: Write the proportion equation
   789,398 : 1,729,030 = 1,729,030 : x
2. Step 2: Convert to fraction form
   789,398/1,729,030 = 1,729,030/x
3. Step 3: Cross multiply
   789,398x = 1,729,030 × 1,729,030
4. Step 4: Simplify right side
   789,398x = 2,989,544,740,900
5. Step 5: Solve for x
   x = 2,989,544,740,900/789,398
6. Step 6: Final answer
   x = 3,787,119.73