Finding the Third Proportional to 114,156 and 236,268

Step by Step Solution

1. Step 1: Write the proportion equation
   114,156 : 236,268 = 236,268 : x
2. Step 2: Convert to fraction form
   114,156/236,268 = 236,268/x
3. Step 3: Cross multiply
   114,156x = 236,268 × 236,268
4. Step 4: Simplify right side
   114,156x = 55,822,567,824
5. Step 5: Solve for x
   x = 55,822,567,824/114,156
6. Step 6: Final answer
   x = 489,002.49