Finding the Third Proportional to 21,805.25 and 34,584.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,805.25 : 34,584.50 = 34,584.50 : x
2. Step 2: Convert to fraction form
   21,805.25/34,584.50 = 34,584.50/x
3. Step 3: Cross multiply
   21,805.25x = 34,584.50 × 34,584.50
4. Step 4: Simplify right side
   21,805.25x = 1,196,087,640.25
5. Step 5: Solve for x
   x = 1,196,087,640.25/21,805.25
6. Step 6: Final answer
   x = 54,853.20