Finding the Third Proportional to 778,605 and 1,673,598

Step by Step Solution

1. Step 1: Write the proportion equation
   778,605 : 1,673,598 = 1,673,598 : x
2. Step 2: Convert to fraction form
   778,605/1,673,598 = 1,673,598/x
3. Step 3: Cross multiply
   778,605x = 1,673,598 × 1,673,598
4. Step 4: Simplify right side
   778,605x = 2,800,930,265,604
5. Step 5: Solve for x
   x = 2,800,930,265,604/778,605
6. Step 6: Final answer
   x = 3,597,370.00