Finding the Third Proportional to 123,975 and 254,481

Step by Step Solution

1. Step 1: Write the proportion equation
   123,975 : 254,481 = 254,481 : x
2. Step 2: Convert to fraction form
   123,975/254,481 = 254,481/x
3. Step 3: Cross multiply
   123,975x = 254,481 × 254,481
4. Step 4: Simplify right side
   123,975x = 64,760,579,361
5. Step 5: Solve for x
   x = 64,760,579,361/123,975
6. Step 6: Final answer
   x = 522,368.05