Finding the Third Proportional to 10,442 and 21,977

Step by Step Solution

1. Step 1: Write the proportion equation
   10,442 : 21,977 = 21,977 : x
2. Step 2: Convert to fraction form
   10,442/21,977 = 21,977/x
3. Step 3: Cross multiply
   10,442x = 21,977 × 21,977
4. Step 4: Simplify right side
   10,442x = 482,988,529
5. Step 5: Solve for x
   x = 482,988,529/10,442
6. Step 6: Final answer
   x = 46,254.41