Finding the Third Proportional to 1,392,054 and 3,039,780

Step by Step Solution

1. Step 1: Write the proportion equation
   1,392,054 : 3,039,780 = 3,039,780 : x
2. Step 2: Convert to fraction form
   1,392,054/3,039,780 = 3,039,780/x
3. Step 3: Cross multiply
   1,392,054x = 3,039,780 × 3,039,780
4. Step 4: Simplify right side
   1,392,054x = 9,240,262,448,400
5. Step 5: Solve for x
   x = 9,240,262,448,400/1,392,054
6. Step 6: Final answer
   x = 6,637,862.07