Finding the Third Proportional to 118,327 and 254,698

Step by Step Solution

1. Step 1: Write the proportion equation
   118,327 : 254,698 = 254,698 : x
2. Step 2: Convert to fraction form
   118,327/254,698 = 254,698/x
3. Step 3: Cross multiply
   118,327x = 254,698 × 254,698
4. Step 4: Simplify right side
   118,327x = 64,871,071,204
5. Step 5: Solve for x
   x = 64,871,071,204/118,327
6. Step 6: Final answer
   x = 548,235.58