Finding the Third Proportional to 8,790 and 21,014

Step by Step Solution

1. Step 1: Write the proportion equation
   8,790 : 21,014 = 21,014 : x
2. Step 2: Convert to fraction form
   8,790/21,014 = 21,014/x
3. Step 3: Cross multiply
   8,790x = 21,014 × 21,014
4. Step 4: Simplify right side
   8,790x = 441,588,196
5. Step 5: Solve for x
   x = 441,588,196/8,790
6. Step 6: Final answer
   x = 50,237.56