Finding the Third Proportional to 114,112 and 236,216

Step by Step Solution

1. Step 1: Write the proportion equation
   114,112 : 236,216 = 236,216 : x
2. Step 2: Convert to fraction form
   114,112/236,216 = 236,216/x
3. Step 3: Cross multiply
   114,112x = 236,216 × 236,216
4. Step 4: Simplify right side
   114,112x = 55,797,998,656
5. Step 5: Solve for x
   x = 55,797,998,656/114,112
6. Step 6: Final answer
   x = 488,975.73