Finding the Third Proportional to 1,284,556 and 2,766,428

Step by Step Solution

1. Step 1: Write the proportion equation
   1,284,556 : 2,766,428 = 2,766,428 : x
2. Step 2: Convert to fraction form
   1,284,556/2,766,428 = 2,766,428/x
3. Step 3: Cross multiply
   1,284,556x = 2,766,428 × 2,766,428
4. Step 4: Simplify right side
   1,284,556x = 7,653,123,879,184
5. Step 5: Solve for x
   x = 7,653,123,879,184/1,284,556
6. Step 6: Final answer
   x = 5,957,797.00