Finding the Third Proportional to 668,840 and 1,036,795

Step by Step Solution

1. Step 1: Write the proportion equation
   668,840 : 1,036,795 = 1,036,795 : x
2. Step 2: Convert to fraction form
   668,840/1,036,795 = 1,036,795/x
3. Step 3: Cross multiply
   668,840x = 1,036,795 × 1,036,795
4. Step 4: Simplify right side
   668,840x = 1,074,943,872,025
5. Step 5: Solve for x
   x = 1,074,943,872,025/668,840
6. Step 6: Final answer
   x = 1,607,176.41