Finding the Third Proportional to 1,389,897 and 3,045,519

Step by Step Solution

1. Step 1: Write the proportion equation
   1,389,897 : 3,045,519 = 3,045,519 : x
2. Step 2: Convert to fraction form
   1,389,897/3,045,519 = 3,045,519/x
3. Step 3: Cross multiply
   1,389,897x = 3,045,519 × 3,045,519
4. Step 4: Simplify right side
   1,389,897x = 9,275,185,979,361
5. Step 5: Solve for x
   x = 9,275,185,979,361/1,389,897
6. Step 6: Final answer
   x = 6,673,290.16