Finding the Third Proportional to 515,067 and 757,184.25

Step by Step Solution

1. Step 1: Write the proportion equation
   515,067 : 757,184.25 = 757,184.25 : x
2. Step 2: Convert to fraction form
   515,067/757,184.25 = 757,184.25/x
3. Step 3: Cross multiply
   515,067x = 757,184.25 × 757,184.25
4. Step 4: Simplify right side
   515,067x = 573,327,988,448.06
5. Step 5: Solve for x
   x = 573,327,988,448.06/515,067
6. Step 6: Final answer
   x = 1,113,113.42