Finding the Third Proportional to 778,933.50 and 1,619,784

Step by Step Solution

1. Step 1: Write the proportion equation
   778,933.50 : 1,619,784 = 1,619,784 : x
2. Step 2: Convert to fraction form
   778,933.50/1,619,784 = 1,619,784/x
3. Step 3: Cross multiply
   778,933.50x = 1,619,784 × 1,619,784
4. Step 4: Simplify right side
   778,933.50x = 2,623,700,206,656
5. Step 5: Solve for x
   x = 2,623,700,206,656/778,933.50
6. Step 6: Final answer
   x = 3,368,323.75