Finding the Third Proportional to 1,391,608 and 3,019,372

Step by Step Solution

1. Step 1: Write the proportion equation
   1,391,608 : 3,019,372 = 3,019,372 : x
2. Step 2: Convert to fraction form
   1,391,608/3,019,372 = 3,019,372/x
3. Step 3: Cross multiply
   1,391,608x = 3,019,372 × 3,019,372
4. Step 4: Simplify right side
   1,391,608x = 9,116,607,274,384
5. Step 5: Solve for x
   x = 9,116,607,274,384/1,391,608
6. Step 6: Final answer
   x = 6,551,131.69