Finding the Third Proportional to 116,162 and 254,456

Step by Step Solution

1. Step 1: Write the proportion equation
   116,162 : 254,456 = 254,456 : x
2. Step 2: Convert to fraction form
   116,162/254,456 = 254,456/x
3. Step 3: Cross multiply
   116,162x = 254,456 × 254,456
4. Step 4: Simplify right side
   116,162x = 64,747,855,936
5. Step 5: Solve for x
   x = 64,747,855,936/116,162
6. Step 6: Final answer
   x = 557,392.74