Finding the Third Proportional to 10,119 and 21,393

Step by Step Solution

1. Step 1: Write the proportion equation
   10,119 : 21,393 = 21,393 : x
2. Step 2: Convert to fraction form
   10,119/21,393 = 21,393/x
3. Step 3: Cross multiply
   10,119x = 21,393 × 21,393
4. Step 4: Simplify right side
   10,119x = 457,660,449
5. Step 5: Solve for x
   x = 457,660,449/10,119
6. Step 6: Final answer
   x = 45,227.83