Finding the Third Proportional to 677,413.50 and 928,881

Step by Step Solution

1. Step 1: Write the proportion equation
   677,413.50 : 928,881 = 928,881 : x
2. Step 2: Convert to fraction form
   677,413.50/928,881 = 928,881/x
3. Step 3: Cross multiply
   677,413.50x = 928,881 × 928,881
4. Step 4: Simplify right side
   677,413.50x = 862,819,912,161
5. Step 5: Solve for x
   x = 862,819,912,161/677,413.50
6. Step 6: Final answer
   x = 1,273,697.55