Finding the Third Proportional to 21,759 and 34,581

Step by Step Solution

1. Step 1: Write the proportion equation
   21,759 : 34,581 = 34,581 : x
2. Step 2: Convert to fraction form
   21,759/34,581 = 34,581/x
3. Step 3: Cross multiply
   21,759x = 34,581 × 34,581
4. Step 4: Simplify right side
   21,759x = 1,195,845,561
5. Step 5: Solve for x
   x = 1,195,845,561/21,759
6. Step 6: Final answer
   x = 54,958.66