Finding the Third Proportional to 21,601.50 and 30,890.25

Step by Step Solution

1. Step 1: Write the proportion equation
   21,601.50 : 30,890.25 = 30,890.25 : x
2. Step 2: Convert to fraction form
   21,601.50/30,890.25 = 30,890.25/x
3. Step 3: Cross multiply
   21,601.50x = 30,890.25 × 30,890.25
4. Step 4: Simplify right side
   21,601.50x = 954,207,545.06
5. Step 5: Solve for x
   x = 954,207,545.06/21,601.50
6. Step 6: Final answer
   x = 44,173.21