Finding the Third Proportional to 19,648.83 and 42,424.38

Step by Step Solution

1. Step 1: Write the proportion equation
   19,648.83 : 42,424.38 = 42,424.38 : x
2. Step 2: Convert to fraction form
   19,648.83/42,424.38 = 42,424.38/x
3. Step 3: Cross multiply
   19,648.83x = 42,424.38 × 42,424.38
4. Step 4: Simplify right side
   19,648.83x = 1,799,828,257.02
5. Step 5: Solve for x
   x = 1,799,828,257.02/19,648.83
6. Step 6: Final answer
   x = 91,599.78