Finding the Third Proportional to 786,379.50 and 1,605,766.50

Step by Step Solution

1. Step 1: Write the proportion equation
   786,379.50 : 1,605,766.50 = 1,605,766.50 : x
2. Step 2: Convert to fraction form
   786,379.50/1,605,766.50 = 1,605,766.50/x
3. Step 3: Cross multiply
   786,379.50x = 1,605,766.50 × 1,605,766.50
4. Step 4: Simplify right side
   786,379.50x = 2,578,486,052,522.25
5. Step 5: Solve for x
   x = 2,578,486,052,522.25/786,379.50
6. Step 6: Final answer
   x = 3,278,933.46