Finding the Third Proportional to 195,521 and 428,413.50

Step by Step Solution

1. Step 1: Write the proportion equation
   195,521 : 428,413.50 = 428,413.50 : x
2. Step 2: Convert to fraction form
   195,521/428,413.50 = 428,413.50/x
3. Step 3: Cross multiply
   195,521x = 428,413.50 × 428,413.50
4. Step 4: Simplify right side
   195,521x = 183,538,126,982.25
5. Step 5: Solve for x
   x = 183,538,126,982.25/195,521
6. Step 6: Final answer
   x = 938,713.12