Finding the Third Proportional to 10,308 and 14,728

Step by Step Solution

1. Step 1: Write the proportion equation
   10,308 : 14,728 = 14,728 : x
2. Step 2: Convert to fraction form
   10,308/14,728 = 14,728/x
3. Step 3: Cross multiply
   10,308x = 14,728 × 14,728
4. Step 4: Simplify right side
   10,308x = 216,913,984
5. Step 5: Solve for x
   x = 216,913,984/10,308
6. Step 6: Final answer
   x = 21,043.27