Finding the Third Proportional to 9,642 and 21,795

Step by Step Solution

1. Step 1: Write the proportion equation
   9,642 : 21,795 = 21,795 : x
2. Step 2: Convert to fraction form
   9,642/21,795 = 21,795/x
3. Step 3: Cross multiply
   9,642x = 21,795 × 21,795
4. Step 4: Simplify right side
   9,642x = 475,022,025
5. Step 5: Solve for x
   x = 475,022,025/9,642
6. Step 6: Final answer
   x = 49,265.92