Finding the Third Proportional to 1,605,514 and 2,201,619

Step by Step Solution

1. Step 1: Write the proportion equation
   1,605,514 : 2,201,619 = 2,201,619 : x
2. Step 2: Convert to fraction form
   1,605,514/2,201,619 = 2,201,619/x
3. Step 3: Cross multiply
   1,605,514x = 2,201,619 × 2,201,619
4. Step 4: Simplify right side
   1,605,514x = 4,847,126,221,161
5. Step 5: Solve for x
   x = 4,847,126,221,161/1,605,514
6. Step 6: Final answer
   x = 3,019,049.49