Finding the Third Proportional to 1,284,772 and 2,766,872

Step by Step Solution

1. Step 1: Write the proportion equation
   1,284,772 : 2,766,872 = 2,766,872 : x
2. Step 2: Convert to fraction form
   1,284,772/2,766,872 = 2,766,872/x
3. Step 3: Cross multiply
   1,284,772x = 2,766,872 × 2,766,872
4. Step 4: Simplify right side
   1,284,772x = 7,655,580,664,384
5. Step 5: Solve for x
   x = 7,655,580,664,384/1,284,772
6. Step 6: Final answer
   x = 5,958,707.59