Finding the Third Proportional to 19,892 and 31,982

Step by Step Solution

1. Step 1: Write the proportion equation
   19,892 : 31,982 = 31,982 : x
2. Step 2: Convert to fraction form
   19,892/31,982 = 31,982/x
3. Step 3: Cross multiply
   19,892x = 31,982 × 31,982
4. Step 4: Simplify right side
   19,892x = 1,022,848,324
5. Step 5: Solve for x
   x = 1,022,848,324/19,892
6. Step 6: Final answer
   x = 51,420.08