Finding the Third Proportional to 2,587,199 and 5,627,413.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,587,199 : 5,627,413.50 = 5,627,413.50 : x
2. Step 2: Convert to fraction form
   2,587,199/5,627,413.50 = 5,627,413.50/x
3. Step 3: Cross multiply
   2,587,199x = 5,627,413.50 × 5,627,413.50
4. Step 4: Simplify right side
   2,587,199x = 31,667,782,699,982.25
5. Step 5: Solve for x
   x = 31,667,782,699,982.25/2,587,199
6. Step 6: Final answer
   x = 12,240,180.48