Finding the Third Proportional to 21,289.50 and 31,950

Step by Step Solution

1. Step 1: Write the proportion equation
   21,289.50 : 31,950 = 31,950 : x
2. Step 2: Convert to fraction form
   21,289.50/31,950 = 31,950/x
3. Step 3: Cross multiply
   21,289.50x = 31,950 × 31,950
4. Step 4: Simplify right side
   21,289.50x = 1,020,802,500
5. Step 5: Solve for x
   x = 1,020,802,500/21,289.50
6. Step 6: Final answer
   x = 47,948.64