Finding the Third Proportional to 1,267,811 and 2,819,086

Step by Step Solution

1. Step 1: Write the proportion equation
   1,267,811 : 2,819,086 = 2,819,086 : x
2. Step 2: Convert to fraction form
   1,267,811/2,819,086 = 2,819,086/x
3. Step 3: Cross multiply
   1,267,811x = 2,819,086 × 2,819,086
4. Step 4: Simplify right side
   1,267,811x = 7,947,245,875,396
5. Step 5: Solve for x
   x = 7,947,245,875,396/1,267,811
6. Step 6: Final answer
   x = 6,268,478.41