Finding the Third Proportional to 517,451 and 1,131,089

Step by Step Solution

1. Step 1: Write the proportion equation
   517,451 : 1,131,089 = 1,131,089 : x
2. Step 2: Convert to fraction form
   517,451/1,131,089 = 1,131,089/x
3. Step 3: Cross multiply
   517,451x = 1,131,089 × 1,131,089
4. Step 4: Simplify right side
   517,451x = 1,279,362,325,921
5. Step 5: Solve for x
   x = 1,279,362,325,921/517,451
6. Step 6: Final answer
   x = 2,472,431.84