Finding the Third Proportional to 1,306,047 and 1,978,782

Step by Step Solution

1. Step 1: Write the proportion equation
   1,306,047 : 1,978,782 = 1,978,782 : x
2. Step 2: Convert to fraction form
   1,306,047/1,978,782 = 1,978,782/x
3. Step 3: Cross multiply
   1,306,047x = 1,978,782 × 1,978,782
4. Step 4: Simplify right side
   1,306,047x = 3,915,578,203,524
5. Step 5: Solve for x
   x = 3,915,578,203,524/1,306,047
6. Step 6: Final answer
   x = 2,998,037.75