Finding the Third Proportional to 31,084 and 39,930

Step by Step Solution

1. Step 1: Write the proportion equation
   31,084 : 39,930 = 39,930 : x
2. Step 2: Convert to fraction form
   31,084/39,930 = 39,930/x
3. Step 3: Cross multiply
   31,084x = 39,930 × 39,930
4. Step 4: Simplify right side
   31,084x = 1,594,404,900
5. Step 5: Solve for x
   x = 1,594,404,900/31,084
6. Step 6: Final answer
   x = 51,293.43