Finding the Third Proportional to 10,112 and 21,328

Step by Step Solution

1. Step 1: Write the proportion equation
   10,112 : 21,328 = 21,328 : x
2. Step 2: Convert to fraction form
   10,112/21,328 = 21,328/x
3. Step 3: Cross multiply
   10,112x = 21,328 × 21,328
4. Step 4: Simplify right side
   10,112x = 454,883,584
5. Step 5: Solve for x
   x = 454,883,584/10,112
6. Step 6: Final answer
   x = 44,984.53