Finding the Third Proportional to 31,542 and 43,857

Step by Step Solution

1. Step 1: Write the proportion equation
   31,542 : 43,857 = 43,857 : x
2. Step 2: Convert to fraction form
   31,542/43,857 = 43,857/x
3. Step 3: Cross multiply
   31,542x = 43,857 × 43,857
4. Step 4: Simplify right side
   31,542x = 1,923,436,449
5. Step 5: Solve for x
   x = 1,923,436,449/31,542
6. Step 6: Final answer
   x = 60,980.17