Finding the Third Proportional to 501,867 and 715,388.25

Step by Step Solution

1. Step 1: Write the proportion equation
   501,867 : 715,388.25 = 715,388.25 : x
2. Step 2: Convert to fraction form
   501,867/715,388.25 = 715,388.25/x
3. Step 3: Cross multiply
   501,867x = 715,388.25 × 715,388.25
4. Step 4: Simplify right side
   501,867x = 511,780,348,238.06
5. Step 5: Solve for x
   x = 511,780,348,238.06/501,867
6. Step 6: Final answer
   x = 1,019,752.94