Finding the Third Proportional to 926,181 and 1,399,072.50

Step by Step Solution

1. Step 1: Write the proportion equation
   926,181 : 1,399,072.50 = 1,399,072.50 : x
2. Step 2: Convert to fraction form
   926,181/1,399,072.50 = 1,399,072.50/x
3. Step 3: Cross multiply
   926,181x = 1,399,072.50 × 1,399,072.50
4. Step 4: Simplify right side
   926,181x = 1,957,403,860,256.25
5. Step 5: Solve for x
   x = 1,957,403,860,256.25/926,181
6. Step 6: Final answer
   x = 2,113,413.97