Finding the Third Proportional to 20,815.73 and 31,741.88

Step by Step Solution

1. Step 1: Write the proportion equation
   20,815.73 : 31,741.88 = 31,741.88 : x
2. Step 2: Convert to fraction form
   20,815.73/31,741.88 = 31,741.88/x
3. Step 3: Cross multiply
   20,815.73x = 31,741.88 × 31,741.88
4. Step 4: Simplify right side
   20,815.73x = 1,007,546,628.52
5. Step 5: Solve for x
   x = 1,007,546,628.52/20,815.73
6. Step 6: Final answer
   x = 48,403.13