Finding the Third Proportional to 1,289,986 and 2,016,075

Step by Step Solution

1. Step 1: Write the proportion equation
   1,289,986 : 2,016,075 = 2,016,075 : x
2. Step 2: Convert to fraction form
   1,289,986/2,016,075 = 2,016,075/x
3. Step 3: Cross multiply
   1,289,986x = 2,016,075 × 2,016,075
4. Step 4: Simplify right side
   1,289,986x = 4,064,558,405,625
5. Step 5: Solve for x
   x = 4,064,558,405,625/1,289,986
6. Step 6: Final answer
   x = 3,150,854.66