Finding the Third Proportional to 9,643.22 and 20,471.06

Step by Step Solution

1. Step 1: Write the proportion equation
   9,643.22 : 20,471.06 = 20,471.06 : x
2. Step 2: Convert to fraction form
   9,643.22/20,471.06 = 20,471.06/x
3. Step 3: Cross multiply
   9,643.22x = 20,471.06 × 20,471.06
4. Step 4: Simplify right side
   9,643.22x = 419,064,399.88
5. Step 5: Solve for x
   x = 419,064,399.88/9,643.22
6. Step 6: Final answer
   x = 43,456.90