Finding the Third Proportional to 21,919.50 and 34,348.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,919.50 : 34,348.50 = 34,348.50 : x
2. Step 2: Convert to fraction form
   21,919.50/34,348.50 = 34,348.50/x
3. Step 3: Cross multiply
   21,919.50x = 34,348.50 × 34,348.50
4. Step 4: Simplify right side
   21,919.50x = 1,179,819,452.25
5. Step 5: Solve for x
   x = 1,179,819,452.25/21,919.50
6. Step 6: Final answer
   x = 53,825.11