Finding the Third Proportional to 20,150 and 31,107

Step by Step Solution

1. Step 1: Write the proportion equation
   20,150 : 31,107 = 31,107 : x
2. Step 2: Convert to fraction form
   20,150/31,107 = 31,107/x
3. Step 3: Cross multiply
   20,150x = 31,107 × 31,107
4. Step 4: Simplify right side
   20,150x = 967,645,449
5. Step 5: Solve for x
   x = 967,645,449/20,150
6. Step 6: Final answer
   x = 48,022.11