Finding the Third Proportional to 21,910 and 47,648

Step by Step Solution

1. Step 1: Write the proportion equation
   21,910 : 47,648 = 47,648 : x
2. Step 2: Convert to fraction form
   21,910/47,648 = 47,648/x
3. Step 3: Cross multiply
   21,910x = 47,648 × 47,648
4. Step 4: Simplify right side
   21,910x = 2,270,331,904
5. Step 5: Solve for x
   x = 2,270,331,904/21,910
6. Step 6: Final answer
   x = 103,620.81