Finding the Third Proportional to 1,389,885 and 3,045,490

Step by Step Solution

1. Step 1: Write the proportion equation
   1,389,885 : 3,045,490 = 3,045,490 : x
2. Step 2: Convert to fraction form
   1,389,885/3,045,490 = 3,045,490/x
3. Step 3: Cross multiply
   1,389,885x = 3,045,490 × 3,045,490
4. Step 4: Simplify right side
   1,389,885x = 9,275,009,340,100
5. Step 5: Solve for x
   x = 9,275,009,340,100/1,389,885
6. Step 6: Final answer
   x = 6,673,220.69