Finding the Third Proportional to 20,973 and 31,939.50

Step by Step Solution

1. Step 1: Write the proportion equation
   20,973 : 31,939.50 = 31,939.50 : x
2. Step 2: Convert to fraction form
   20,973/31,939.50 = 31,939.50/x
3. Step 3: Cross multiply
   20,973x = 31,939.50 × 31,939.50
4. Step 4: Simplify right side
   20,973x = 1,020,131,660.25
5. Step 5: Solve for x
   x = 1,020,131,660.25/20,973
6. Step 6: Final answer
   x = 48,640.24