Finding the Third Proportional to 123,956 and 254,504

Step by Step Solution

1. Step 1: Write the proportion equation
   123,956 : 254,504 = 254,504 : x
2. Step 2: Convert to fraction form
   123,956/254,504 = 254,504/x
3. Step 3: Cross multiply
   123,956x = 254,504 × 254,504
4. Step 4: Simplify right side
   123,956x = 64,772,286,016
5. Step 5: Solve for x
   x = 64,772,286,016/123,956
6. Step 6: Final answer
   x = 522,542.56