Finding the Third Proportional to 15,105 and 31,901

Step by Step Solution

1. Step 1: Write the proportion equation
   15,105 : 31,901 = 31,901 : x
2. Step 2: Convert to fraction form
   15,105/31,901 = 31,901/x
3. Step 3: Cross multiply
   15,105x = 31,901 × 31,901
4. Step 4: Simplify right side
   15,105x = 1,017,673,801
5. Step 5: Solve for x
   x = 1,017,673,801/15,105
6. Step 6: Final answer
   x = 67,373.31