Finding the Third Proportional to 778,936 and 1,619,788

Step by Step Solution

1. Step 1: Write the proportion equation
   778,936 : 1,619,788 = 1,619,788 : x
2. Step 2: Convert to fraction form
   778,936/1,619,788 = 1,619,788/x
3. Step 3: Cross multiply
   778,936x = 1,619,788 × 1,619,788
4. Step 4: Simplify right side
   778,936x = 2,623,713,164,944
5. Step 5: Solve for x
   x = 2,623,713,164,944/778,936
6. Step 6: Final answer
   x = 3,368,329.57