Finding the Third Proportional to 9,555.19 and 20,271.38

Step by Step Solution

1. Step 1: Write the proportion equation
   9,555.19 : 20,271.38 = 20,271.38 : x
2. Step 2: Convert to fraction form
   9,555.19/20,271.38 = 20,271.38/x
3. Step 3: Cross multiply
   9,555.19x = 20,271.38 × 20,271.38
4. Step 4: Simplify right side
   9,555.19x = 410,928,644.39
5. Step 5: Solve for x
   x = 410,928,644.39/9,555.19
6. Step 6: Final answer
   x = 43,005.82