Finding the Third Proportional to 9,508 and 21,056

Step by Step Solution

1. Step 1: Write the proportion equation
   9,508 : 21,056 = 21,056 : x
2. Step 2: Convert to fraction form
   9,508/21,056 = 21,056/x
3. Step 3: Cross multiply
   9,508x = 21,056 × 21,056
4. Step 4: Simplify right side
   9,508x = 443,355,136
5. Step 5: Solve for x
   x = 443,355,136/9,508
6. Step 6: Final answer
   x = 46,629.69