Finding the Third Proportional to 19,637.44 and 42,413.63

Step by Step Solution

1. Step 1: Write the proportion equation
   19,637.44 : 42,413.63 = 42,413.63 : x
2. Step 2: Convert to fraction form
   19,637.44/42,413.63 = 42,413.63/x
3. Step 3: Cross multiply
   19,637.44x = 42,413.63 × 42,413.63
4. Step 4: Simplify right side
   19,637.44x = 1,798,915,585.64
5. Step 5: Solve for x
   x = 1,798,915,585.64/19,637.44
6. Step 6: Final answer
   x = 91,606.43