Finding the Third Proportional to 20,110 and 31,107.50

Step by Step Solution

1. Step 1: Write the proportion equation
   20,110 : 31,107.50 = 31,107.50 : x
2. Step 2: Convert to fraction form
   20,110/31,107.50 = 31,107.50/x
3. Step 3: Cross multiply
   20,110x = 31,107.50 × 31,107.50
4. Step 4: Simplify right side
   20,110x = 967,676,556.25
5. Step 5: Solve for x
   x = 967,676,556.25/20,110
6. Step 6: Final answer
   x = 48,119.17