Finding the Third Proportional to 9,493.31 and 20,815.31

Step by Step Solution

1. Step 1: Write the proportion equation
   9,493.31 : 20,815.31 = 20,815.31 : x
2. Step 2: Convert to fraction form
   9,493.31/20,815.31 = 20,815.31/x
3. Step 3: Cross multiply
   9,493.31x = 20,815.31 × 20,815.31
4. Step 4: Simplify right side
   9,493.31x = 433,277,234.47
5. Step 5: Solve for x
   x = 433,277,234.47/9,493.31
6. Step 6: Final answer
   x = 45,640.26