Finding the Third Proportional to 1,392,058 and 3,039,788

Step by Step Solution

1. Step 1: Write the proportion equation
   1,392,058 : 3,039,788 = 3,039,788 : x
2. Step 2: Convert to fraction form
   1,392,058/3,039,788 = 3,039,788/x
3. Step 3: Cross multiply
   1,392,058x = 3,039,788 × 3,039,788
4. Step 4: Simplify right side
   1,392,058x = 9,240,311,084,944
5. Step 5: Solve for x
   x = 9,240,311,084,944/1,392,058
6. Step 6: Final answer
   x = 6,637,877.94