Finding the Third Proportional to 9,781 and 20,774

Step by Step Solution

1. Step 1: Write the proportion equation
   9,781 : 20,774 = 20,774 : x
2. Step 2: Convert to fraction form
   9,781/20,774 = 20,774/x
3. Step 3: Cross multiply
   9,781x = 20,774 × 20,774
4. Step 4: Simplify right side
   9,781x = 431,559,076
5. Step 5: Solve for x
   x = 431,559,076/9,781
6. Step 6: Final answer
   x = 44,122.18