Finding the Third Proportional to 134,268 and 188,218

Step by Step Solution

1. Step 1: Write the proportion equation
   134,268 : 188,218 = 188,218 : x
2. Step 2: Convert to fraction form
   134,268/188,218 = 188,218/x
3. Step 3: Cross multiply
   134,268x = 188,218 × 188,218
4. Step 4: Simplify right side
   134,268x = 35,426,015,524
5. Step 5: Solve for x
   x = 35,426,015,524/134,268
6. Step 6: Final answer
   x = 263,845.56