Finding the Third Proportional to 21,870 and 44,676

Step by Step Solution

1. Step 1: Write the proportion equation
   21,870 : 44,676 = 44,676 : x
2. Step 2: Convert to fraction form
   21,870/44,676 = 44,676/x
3. Step 3: Cross multiply
   21,870x = 44,676 × 44,676
4. Step 4: Simplify right side
   21,870x = 1,995,944,976
5. Step 5: Solve for x
   x = 1,995,944,976/21,870
6. Step 6: Final answer
   x = 91,264.06