Finding the Third Proportional to 778,933 and 1,619,783

Step by Step Solution

1. Step 1: Write the proportion equation
   778,933 : 1,619,783 = 1,619,783 : x
2. Step 2: Convert to fraction form
   778,933/1,619,783 = 1,619,783/x
3. Step 3: Cross multiply
   778,933x = 1,619,783 × 1,619,783
4. Step 4: Simplify right side
   778,933x = 2,623,696,967,089
5. Step 5: Solve for x
   x = 2,623,696,967,089/778,933
6. Step 6: Final answer
   x = 3,368,321.75