Finding the Third Proportional to 20,959.25 and 31,709.88

Step by Step Solution

1. Step 1: Write the proportion equation
   20,959.25 : 31,709.88 = 31,709.88 : x
2. Step 2: Convert to fraction form
   20,959.25/31,709.88 = 31,709.88/x
3. Step 3: Cross multiply
   20,959.25x = 31,709.88 × 31,709.88
4. Step 4: Simplify right side
   20,959.25x = 1,005,516,172.52
5. Step 5: Solve for x
   x = 1,005,516,172.52/20,959.25
6. Step 6: Final answer
   x = 47,974.82