Finding the Third Proportional to 23,871 and 51,990

Step by Step Solution

1. Step 1: Write the proportion equation
   23,871 : 51,990 = 51,990 : x
2. Step 2: Convert to fraction form
   23,871/51,990 = 51,990/x
3. Step 3: Cross multiply
   23,871x = 51,990 × 51,990
4. Step 4: Simplify right side
   23,871x = 2,702,960,100
5. Step 5: Solve for x
   x = 2,702,960,100/23,871
6. Step 6: Final answer
   x = 113,231.96