Finding the Third Proportional to 2,822,187 and 4,239,636

Step by Step Solution

1. Step 1: Write the proportion equation
   2,822,187 : 4,239,636 = 4,239,636 : x
2. Step 2: Convert to fraction form
   2,822,187/4,239,636 = 4,239,636/x
3. Step 3: Cross multiply
   2,822,187x = 4,239,636 × 4,239,636
4. Step 4: Simplify right side
   2,822,187x = 17,974,513,412,496
5. Step 5: Solve for x
   x = 17,974,513,412,496/2,822,187
6. Step 6: Final answer
   x = 6,369,001.56