Finding the Third Proportional to 21,424.50 and 34,212.38

Step by Step Solution

1. Step 1: Write the proportion equation
   21,424.50 : 34,212.38 = 34,212.38 : x
2. Step 2: Convert to fraction form
   21,424.50/34,212.38 = 34,212.38/x
3. Step 3: Cross multiply
   21,424.50x = 34,212.38 × 34,212.38
4. Step 4: Simplify right side
   21,424.50x = 1,170,486,603.14
5. Step 5: Solve for x
   x = 1,170,486,603.14/21,424.50
6. Step 6: Final answer
   x = 54,633.09