Finding the Third Proportional to 550,686 and 1,131,018

Step by Step Solution

1. Step 1: Write the proportion equation
   550,686 : 1,131,018 = 1,131,018 : x
2. Step 2: Convert to fraction form
   550,686/1,131,018 = 1,131,018/x
3. Step 3: Cross multiply
   550,686x = 1,131,018 × 1,131,018
4. Step 4: Simplify right side
   550,686x = 1,279,201,716,324
5. Step 5: Solve for x
   x = 1,279,201,716,324/550,686
6. Step 6: Final answer
   x = 2,322,923.98