Finding the Third Proportional to 2,009,874 and 4,380,522

Step by Step Solution

1. Step 1: Write the proportion equation
   2,009,874 : 4,380,522 = 4,380,522 : x
2. Step 2: Convert to fraction form
   2,009,874/4,380,522 = 4,380,522/x
3. Step 3: Cross multiply
   2,009,874x = 4,380,522 × 4,380,522
4. Step 4: Simplify right side
   2,009,874x = 19,188,972,992,484
5. Step 5: Solve for x
   x = 19,188,972,992,484/2,009,874
6. Step 6: Final answer
   x = 9,547,351.22