Finding the Third Proportional to 21,193 and 31,132

Step by Step Solution

1. Step 1: Write the proportion equation
   21,193 : 31,132 = 31,132 : x
2. Step 2: Convert to fraction form
   21,193/31,132 = 31,132/x
3. Step 3: Cross multiply
   21,193x = 31,132 × 31,132
4. Step 4: Simplify right side
   21,193x = 969,201,424
5. Step 5: Solve for x
   x = 969,201,424/21,193
6. Step 6: Final answer
   x = 45,732.15