Finding the Third Proportional to 21,856 and 31,936

Step by Step Solution

1. Step 1: Write the proportion equation
   21,856 : 31,936 = 31,936 : x
2. Step 2: Convert to fraction form
   21,856/31,936 = 31,936/x
3. Step 3: Cross multiply
   21,856x = 31,936 × 31,936
4. Step 4: Simplify right side
   21,856x = 1,019,908,096
5. Step 5: Solve for x
   x = 1,019,908,096/21,856
6. Step 6: Final answer
   x = 46,664.90