Finding the Third Proportional to 19,944 and 31,289

Step by Step Solution

1. Step 1: Write the proportion equation
   19,944 : 31,289 = 31,289 : x
2. Step 2: Convert to fraction form
   19,944/31,289 = 31,289/x
3. Step 3: Cross multiply
   19,944x = 31,289 × 31,289
4. Step 4: Simplify right side
   19,944x = 979,001,521
5. Step 5: Solve for x
   x = 979,001,521/19,944
6. Step 6: Final answer
   x = 49,087.52