Finding the Third Proportional to 21,885 and 34,863

Step by Step Solution

1. Step 1: Write the proportion equation
   21,885 : 34,863 = 34,863 : x
2. Step 2: Convert to fraction form
   21,885/34,863 = 34,863/x
3. Step 3: Cross multiply
   21,885x = 34,863 × 34,863
4. Step 4: Simplify right side
   21,885x = 1,215,428,769
5. Step 5: Solve for x
   x = 1,215,428,769/21,885
6. Step 6: Final answer
   x = 55,537.07