Finding the Third Proportional to 9,622 and 20,140

Step by Step Solution

1. Step 1: Write the proportion equation
   9,622 : 20,140 = 20,140 : x
2. Step 2: Convert to fraction form
   9,622/20,140 = 20,140/x
3. Step 3: Cross multiply
   9,622x = 20,140 × 20,140
4. Step 4: Simplify right side
   9,622x = 405,619,600
5. Step 5: Solve for x
   x = 405,619,600/9,622
6. Step 6: Final answer
   x = 42,155.44