Finding the Third Proportional to 869,413.50 and 1,919,425.50

Step by Step Solution

1. Step 1: Write the proportion equation
   869,413.50 : 1,919,425.50 = 1,919,425.50 : x
2. Step 2: Convert to fraction form
   869,413.50/1,919,425.50 = 1,919,425.50/x
3. Step 3: Cross multiply
   869,413.50x = 1,919,425.50 × 1,919,425.50
4. Step 4: Simplify right side
   869,413.50x = 3,684,194,250,050.25
5. Step 5: Solve for x
   x = 3,684,194,250,050.25/869,413.50
6. Step 6: Final answer
   x = 4,237,562.74