Finding the Third Proportional to 789,398 and 1,729,028

Step by Step Solution

1. Step 1: Write the proportion equation
   789,398 : 1,729,028 = 1,729,028 : x
2. Step 2: Convert to fraction form
   789,398/1,729,028 = 1,729,028/x
3. Step 3: Cross multiply
   789,398x = 1,729,028 × 1,729,028
4. Step 4: Simplify right side
   789,398x = 2,989,537,824,784
5. Step 5: Solve for x
   x = 2,989,537,824,784/789,398
6. Step 6: Final answer
   x = 3,787,110.97