Finding the Third Proportional to 9,619 and 20,930

Step by Step Solution

1. Step 1: Write the proportion equation
   9,619 : 20,930 = 20,930 : x
2. Step 2: Convert to fraction form
   9,619/20,930 = 20,930/x
3. Step 3: Cross multiply
   9,619x = 20,930 × 20,930
4. Step 4: Simplify right side
   9,619x = 438,064,900
5. Step 5: Solve for x
   x = 438,064,900/9,619
6. Step 6: Final answer
   x = 45,541.63