Finding the Third Proportional to 19,481.69 and 42,608.38

Step by Step Solution

1. Step 1: Write the proportion equation
   19,481.69 : 42,608.38 = 42,608.38 : x
2. Step 2: Convert to fraction form
   19,481.69/42,608.38 = 42,608.38/x
3. Step 3: Cross multiply
   19,481.69x = 42,608.38 × 42,608.38
4. Step 4: Simplify right side
   19,481.69x = 1,815,473,620.14
5. Step 5: Solve for x
   x = 1,815,473,620.14/19,481.69
6. Step 6: Final answer
   x = 93,188.73