Finding the Third Proportional to 231,871 and 503,398

Step by Step Solution

1. Step 1: Write the proportion equation
   231,871 : 503,398 = 503,398 : x
2. Step 2: Convert to fraction form
   231,871/503,398 = 503,398/x
3. Step 3: Cross multiply
   231,871x = 503,398 × 503,398
4. Step 4: Simplify right side
   231,871x = 253,409,546,404
5. Step 5: Solve for x
   x = 253,409,546,404/231,871
6. Step 6: Final answer
   x = 1,092,890.21