Finding the Third Proportional to 1,392,608 and 3,054,028

Step by Step Solution

1. Step 1: Write the proportion equation
   1,392,608 : 3,054,028 = 3,054,028 : x
2. Step 2: Convert to fraction form
   1,392,608/3,054,028 = 3,054,028/x
3. Step 3: Cross multiply
   1,392,608x = 3,054,028 × 3,054,028
4. Step 4: Simplify right side
   1,392,608x = 9,327,087,024,784
5. Step 5: Solve for x
   x = 9,327,087,024,784/1,392,608
6. Step 6: Final answer
   x = 6,697,568.18