Finding the Third Proportional to 21,811 and 34,593

Step by Step Solution

1. Step 1: Write the proportion equation
   21,811 : 34,593 = 34,593 : x
2. Step 2: Convert to fraction form
   21,811/34,593 = 34,593/x
3. Step 3: Cross multiply
   21,811x = 34,593 × 34,593
4. Step 4: Simplify right side
   21,811x = 1,196,675,649
5. Step 5: Solve for x
   x = 1,196,675,649/21,811
6. Step 6: Final answer
   x = 54,865.69