Finding the Third Proportional to 1,396,090 and 3,039,392

Step by Step Solution

1. Step 1: Write the proportion equation
   1,396,090 : 3,039,392 = 3,039,392 : x
2. Step 2: Convert to fraction form
   1,396,090/3,039,392 = 3,039,392/x
3. Step 3: Cross multiply
   1,396,090x = 3,039,392 × 3,039,392
4. Step 4: Simplify right side
   1,396,090x = 9,237,903,729,664
5. Step 5: Solve for x
   x = 9,237,903,729,664/1,396,090
6. Step 6: Final answer
   x = 6,616,982.95