Finding the Third Proportional to 1,311,212 and 2,025,057

Step by Step Solution

1. Step 1: Write the proportion equation
   1,311,212 : 2,025,057 = 2,025,057 : x
2. Step 2: Convert to fraction form
   1,311,212/2,025,057 = 2,025,057/x
3. Step 3: Cross multiply
   1,311,212x = 2,025,057 × 2,025,057
4. Step 4: Simplify right side
   1,311,212x = 4,100,855,853,249
5. Step 5: Solve for x
   x = 4,100,855,853,249/1,311,212
6. Step 6: Final answer
   x = 3,127,530.75