Finding the Third Proportional to 21,806.75 and 34,586.25

Step by Step Solution

1. Step 1: Write the proportion equation
   21,806.75 : 34,586.25 = 34,586.25 : x
2. Step 2: Convert to fraction form
   21,806.75/34,586.25 = 34,586.25/x
3. Step 3: Cross multiply
   21,806.75x = 34,586.25 × 34,586.25
4. Step 4: Simplify right side
   21,806.75x = 1,196,208,689.06
5. Step 5: Solve for x
   x = 1,196,208,689.06/21,806.75
6. Step 6: Final answer
   x = 54,854.97