Finding the Third Proportional to 9,144 and 21,366

Step by Step Solution

1. Step 1: Write the proportion equation
   9,144 : 21,366 = 21,366 : x
2. Step 2: Convert to fraction form
   9,144/21,366 = 21,366/x
3. Step 3: Cross multiply
   9,144x = 21,366 × 21,366
4. Step 4: Simplify right side
   9,144x = 456,505,956
5. Step 5: Solve for x
   x = 456,505,956/9,144
6. Step 6: Final answer
   x = 49,924.10