Finding the Third Proportional to 10,118 and 21,512

Step by Step Solution

1. Step 1: Write the proportion equation
   10,118 : 21,512 = 21,512 : x
2. Step 2: Convert to fraction form
   10,118/21,512 = 21,512/x
3. Step 3: Cross multiply
   10,118x = 21,512 × 21,512
4. Step 4: Simplify right side
   10,118x = 462,766,144
5. Step 5: Solve for x
   x = 462,766,144/10,118
6. Step 6: Final answer
   x = 45,736.92