Finding the Third Proportional to 19,821.38 and 26,424.56

Step by Step Solution

1. Step 1: Write the proportion equation
   19,821.38 : 26,424.56 = 26,424.56 : x
2. Step 2: Convert to fraction form
   19,821.38/26,424.56 = 26,424.56/x
3. Step 3: Cross multiply
   19,821.38x = 26,424.56 × 26,424.56
4. Step 4: Simplify right side
   19,821.38x = 698,257,503.32
5. Step 5: Solve for x
   x = 698,257,503.32/19,821.38
6. Step 6: Final answer
   x = 35,227.50