Finding the Third Proportional to 20,107.50 and 31,867.50

Step by Step Solution

1. Step 1: Write the proportion equation
   20,107.50 : 31,867.50 = 31,867.50 : x
2. Step 2: Convert to fraction form
   20,107.50/31,867.50 = 31,867.50/x
3. Step 3: Cross multiply
   20,107.50x = 31,867.50 × 31,867.50
4. Step 4: Simplify right side
   20,107.50x = 1,015,537,556.25
5. Step 5: Solve for x
   x = 1,015,537,556.25/20,107.50
6. Step 6: Final answer
   x = 50,505.41