Finding the Third Proportional to 838,504 and 1,809,778

Step by Step Solution

1. Step 1: Write the proportion equation
   838,504 : 1,809,778 = 1,809,778 : x
2. Step 2: Convert to fraction form
   838,504/1,809,778 = 1,809,778/x
3. Step 3: Cross multiply
   838,504x = 1,809,778 × 1,809,778
4. Step 4: Simplify right side
   838,504x = 3,275,296,409,284
5. Step 5: Solve for x
   x = 3,275,296,409,284/838,504
6. Step 6: Final answer
   x = 3,906,119.00