Finding the Third Proportional to 114,340 and 248,456

Step by Step Solution

1. Step 1: Write the proportion equation
   114,340 : 248,456 = 248,456 : x
2. Step 2: Convert to fraction form
   114,340/248,456 = 248,456/x
3. Step 3: Cross multiply
   114,340x = 248,456 × 248,456
4. Step 4: Simplify right side
   114,340x = 61,730,383,936
5. Step 5: Solve for x
   x = 61,730,383,936/114,340
6. Step 6: Final answer
   x = 539,884.41