Finding the Third Proportional to 9,570 and 19,961

Step by Step Solution

1. Step 1: Write the proportion equation
   9,570 : 19,961 = 19,961 : x
2. Step 2: Convert to fraction form
   9,570/19,961 = 19,961/x
3. Step 3: Cross multiply
   9,570x = 19,961 × 19,961
4. Step 4: Simplify right side
   9,570x = 398,441,521
5. Step 5: Solve for x
   x = 398,441,521/9,570
6. Step 6: Final answer
   x = 41,634.43