Finding the Third Proportional to 501,850 and 715,398

Step by Step Solution

1. Step 1: Write the proportion equation
   501,850 : 715,398 = 715,398 : x
2. Step 2: Convert to fraction form
   501,850/715,398 = 715,398/x
3. Step 3: Cross multiply
   501,850x = 715,398 × 715,398
4. Step 4: Simplify right side
   501,850x = 511,794,298,404
5. Step 5: Solve for x
   x = 511,794,298,404/501,850
6. Step 6: Final answer
   x = 1,019,815.28