Finding the Third Proportional to 1,401,993 and 2,100,636

Step by Step Solution

1. Step 1: Write the proportion equation
   1,401,993 : 2,100,636 = 2,100,636 : x
2. Step 2: Convert to fraction form
   1,401,993/2,100,636 = 2,100,636/x
3. Step 3: Cross multiply
   1,401,993x = 2,100,636 × 2,100,636
4. Step 4: Simplify right side
   1,401,993x = 4,412,671,604,496
5. Step 5: Solve for x
   x = 4,412,671,604,496/1,401,993
6. Step 6: Final answer
   x = 3,147,427.70