Finding the Third Proportional to 10,249 and 21,712

Step by Step Solution

1. Step 1: Write the proportion equation
   10,249 : 21,712 = 21,712 : x
2. Step 2: Convert to fraction form
   10,249/21,712 = 21,712/x
3. Step 3: Cross multiply
   10,249x = 21,712 × 21,712
4. Step 4: Simplify right side
   10,249x = 471,410,944
5. Step 5: Solve for x
   x = 471,410,944/10,249
6. Step 6: Final answer
   x = 45,995.80