Finding the Third Proportional to 19,867.50 and 31,626

Step by Step Solution

1. Step 1: Write the proportion equation
   19,867.50 : 31,626 = 31,626 : x
2. Step 2: Convert to fraction form
   19,867.50/31,626 = 31,626/x
3. Step 3: Cross multiply
   19,867.50x = 31,626 × 31,626
4. Step 4: Simplify right side
   19,867.50x = 1,000,203,876
5. Step 5: Solve for x
   x = 1,000,203,876/19,867.50
6. Step 6: Final answer
   x = 50,343.72