Finding the Third Proportional to 123,568 and 251,504

Step by Step Solution

1. Step 1: Write the proportion equation
   123,568 : 251,504 = 251,504 : x
2. Step 2: Convert to fraction form
   123,568/251,504 = 251,504/x
3. Step 3: Cross multiply
   123,568x = 251,504 × 251,504
4. Step 4: Simplify right side
   123,568x = 63,254,262,016
5. Step 5: Solve for x
   x = 63,254,262,016/123,568
6. Step 6: Final answer
   x = 511,898.40