Finding the Third Proportional to 21,636 and 50,186

Step by Step Solution

1. Step 1: Write the proportion equation
   21,636 : 50,186 = 50,186 : x
2. Step 2: Convert to fraction form
   21,636/50,186 = 50,186/x
3. Step 3: Cross multiply
   21,636x = 50,186 × 50,186
4. Step 4: Simplify right side
   21,636x = 2,518,634,596
5. Step 5: Solve for x
   x = 2,518,634,596/21,636
6. Step 6: Final answer
   x = 116,409.44