Finding the Third Proportional to 1,231,443 and 2,646,270

Step by Step Solution

1. Step 1: Write the proportion equation
   1,231,443 : 2,646,270 = 2,646,270 : x
2. Step 2: Convert to fraction form
   1,231,443/2,646,270 = 2,646,270/x
3. Step 3: Cross multiply
   1,231,443x = 2,646,270 × 2,646,270
4. Step 4: Simplify right side
   1,231,443x = 7,002,744,912,900
5. Step 5: Solve for x
   x = 7,002,744,912,900/1,231,443
6. Step 6: Final answer
   x = 5,686,617.17