Finding the Third Proportional to 778,872 and 1,674,078

Step by Step Solution

1. Step 1: Write the proportion equation
   778,872 : 1,674,078 = 1,674,078 : x
2. Step 2: Convert to fraction form
   778,872/1,674,078 = 1,674,078/x
3. Step 3: Cross multiply
   778,872x = 1,674,078 × 1,674,078
4. Step 4: Simplify right side
   778,872x = 2,802,537,150,084
5. Step 5: Solve for x
   x = 2,802,537,150,084/778,872
6. Step 6: Final answer
   x = 3,598,199.90