Finding the Third Proportional to 2,101,828 and 4,371,396

Step by Step Solution

1. Step 1: Write the proportion equation
   2,101,828 : 4,371,396 = 4,371,396 : x
2. Step 2: Convert to fraction form
   2,101,828/4,371,396 = 4,371,396/x
3. Step 3: Cross multiply
   2,101,828x = 4,371,396 × 4,371,396
4. Step 4: Simplify right side
   2,101,828x = 19,109,102,988,816
5. Step 5: Solve for x
   x = 19,109,102,988,816/2,101,828
6. Step 6: Final answer
   x = 9,091,658.78