Finding the Third Proportional to 108,216 and 236,116

Step by Step Solution

1. Step 1: Write the proportion equation
   108,216 : 236,116 = 236,116 : x
2. Step 2: Convert to fraction form
   108,216/236,116 = 236,116/x
3. Step 3: Cross multiply
   108,216x = 236,116 × 236,116
4. Step 4: Simplify right side
   108,216x = 55,750,765,456
5. Step 5: Solve for x
   x = 55,750,765,456/108,216
6. Step 6: Final answer
   x = 515,180.43