Finding the Third Proportional to 31,229.50 and 48,936

Step by Step Solution

1. Step 1: Write the proportion equation
   31,229.50 : 48,936 = 48,936 : x
2. Step 2: Convert to fraction form
   31,229.50/48,936 = 48,936/x
3. Step 3: Cross multiply
   31,229.50x = 48,936 × 48,936
4. Step 4: Simplify right side
   31,229.50x = 2,394,732,096
5. Step 5: Solve for x
   x = 2,394,732,096/31,229.50
6. Step 6: Final answer
   x = 76,681.73