Finding the Third Proportional to 20,394 and 41,886

Step by Step Solution

1. Step 1: Write the proportion equation
   20,394 : 41,886 = 41,886 : x
2. Step 2: Convert to fraction form
   20,394/41,886 = 41,886/x
3. Step 3: Cross multiply
   20,394x = 41,886 × 41,886
4. Step 4: Simplify right side
   20,394x = 1,754,436,996
5. Step 5: Solve for x
   x = 1,754,436,996/20,394
6. Step 6: Final answer
   x = 86,027.12