Finding the Third Proportional to 118,883 and 254,398

Step by Step Solution

1. Step 1: Write the proportion equation
   118,883 : 254,398 = 254,398 : x
2. Step 2: Convert to fraction form
   118,883/254,398 = 254,398/x
3. Step 3: Cross multiply
   118,883x = 254,398 × 254,398
4. Step 4: Simplify right side
   118,883x = 64,718,342,404
5. Step 5: Solve for x
   x = 64,718,342,404/118,883
6. Step 6: Final answer
   x = 544,386.85