Finding the Third Proportional to 118,296 and 255,540

Step by Step Solution

1. Step 1: Write the proportion equation
   118,296 : 255,540 = 255,540 : x
2. Step 2: Convert to fraction form
   118,296/255,540 = 255,540/x
3. Step 3: Cross multiply
   118,296x = 255,540 × 255,540
4. Step 4: Simplify right side
   118,296x = 65,300,691,600
5. Step 5: Solve for x
   x = 65,300,691,600/118,296
6. Step 6: Final answer
   x = 552,010.99