Finding the Third Proportional to 10,623 and 21,707

Step by Step Solution

1. Step 1: Write the proportion equation
   10,623 : 21,707 = 21,707 : x
2. Step 2: Convert to fraction form
   10,623/21,707 = 21,707/x
3. Step 3: Cross multiply
   10,623x = 21,707 × 21,707
4. Step 4: Simplify right side
   10,623x = 471,193,849
5. Step 5: Solve for x
   x = 471,193,849/10,623
6. Step 6: Final answer
   x = 44,356.01