Finding the Third Proportional to 1,284,660 and 2,766,636

Step by Step Solution

1. Step 1: Write the proportion equation
   1,284,660 : 2,766,636 = 2,766,636 : x
2. Step 2: Convert to fraction form
   1,284,660/2,766,636 = 2,766,636/x
3. Step 3: Cross multiply
   1,284,660x = 2,766,636 × 2,766,636
4. Step 4: Simplify right side
   1,284,660x = 7,654,274,756,496
5. Step 5: Solve for x
   x = 7,654,274,756,496/1,284,660
6. Step 6: Final answer
   x = 5,958,210.54