Finding the Third Proportional to 2,101,828 and 4,371,398

Step by Step Solution

1. Step 1: Write the proportion equation
   2,101,828 : 4,371,398 = 4,371,398 : x
2. Step 2: Convert to fraction form
   2,101,828/4,371,398 = 4,371,398/x
3. Step 3: Cross multiply
   2,101,828x = 4,371,398 × 4,371,398
4. Step 4: Simplify right side
   2,101,828x = 19,109,120,474,404
5. Step 5: Solve for x
   x = 19,109,120,474,404/2,101,828
6. Step 6: Final answer
   x = 9,091,667.10