Finding the Third Proportional to 339,066 and 736,398

Step by Step Solution

1. Step 1: Write the proportion equation
   339,066 : 736,398 = 736,398 : x
2. Step 2: Convert to fraction form
   339,066/736,398 = 736,398/x
3. Step 3: Cross multiply
   339,066x = 736,398 × 736,398
4. Step 4: Simplify right side
   339,066x = 542,282,014,404
5. Step 5: Solve for x
   x = 542,282,014,404/339,066
6. Step 6: Final answer
   x = 1,599,340.58