Finding the Third Proportional to 778,923.56 and 1,619,766.56

Step by Step Solution

1. Step 1: Write the proportion equation
   778,923.56 : 1,619,766.56 = 1,619,766.56 : x
2. Step 2: Convert to fraction form
   778,923.56/1,619,766.56 = 1,619,766.56/x
3. Step 3: Cross multiply
   778,923.56x = 1,619,766.56 × 1,619,766.56
4. Step 4: Simplify right side
   778,923.56x = 2,623,643,716,993.07
5. Step 5: Solve for x
   x = 2,623,643,716,993.07/778,923.56
6. Step 6: Final answer
   x = 3,368,294.20