Finding the Third Proportional to 1,419,686 and 2,146,455

Step by Step Solution

1. Step 1: Write the proportion equation
   1,419,686 : 2,146,455 = 2,146,455 : x
2. Step 2: Convert to fraction form
   1,419,686/2,146,455 = 2,146,455/x
3. Step 3: Cross multiply
   1,419,686x = 2,146,455 × 2,146,455
4. Step 4: Simplify right side
   1,419,686x = 4,607,269,067,025
5. Step 5: Solve for x
   x = 4,607,269,067,025/1,419,686
6. Step 6: Final answer
   x = 3,245,273.30