Finding the Third Proportional to 10,500 and 21,714

Step by Step Solution

1. Step 1: Write the proportion equation
   10,500 : 21,714 = 21,714 : x
2. Step 2: Convert to fraction form
   10,500/21,714 = 21,714/x
3. Step 3: Cross multiply
   10,500x = 21,714 × 21,714
4. Step 4: Simplify right side
   10,500x = 471,497,796
5. Step 5: Solve for x
   x = 471,497,796/10,500
6. Step 6: Final answer
   x = 44,904.55