Finding the Third Proportional to 20,479.50 and 31,701.38

Step by Step Solution

1. Step 1: Write the proportion equation
   20,479.50 : 31,701.38 = 31,701.38 : x
2. Step 2: Convert to fraction form
   20,479.50/31,701.38 = 31,701.38/x
3. Step 3: Cross multiply
   20,479.50x = 31,701.38 × 31,701.38
4. Step 4: Simplify right side
   20,479.50x = 1,004,977,176.89
5. Step 5: Solve for x
   x = 1,004,977,176.89/20,479.50
6. Step 6: Final answer
   x = 49,072.35