Finding the Third Proportional to 118,361.25 and 254,767.50

Step by Step Solution

1. Step 1: Write the proportion equation
   118,361.25 : 254,767.50 = 254,767.50 : x
2. Step 2: Convert to fraction form
   118,361.25/254,767.50 = 254,767.50/x
3. Step 3: Cross multiply
   118,361.25x = 254,767.50 × 254,767.50
4. Step 4: Simplify right side
   118,361.25x = 64,906,479,056.25
5. Step 5: Solve for x
   x = 64,906,479,056.25/118,361.25
6. Step 6: Final answer
   x = 548,376.09