Finding the Third Proportional to 679,078 and 1,439,104

Step by Step Solution

1. Step 1: Write the proportion equation
   679,078 : 1,439,104 = 1,439,104 : x
2. Step 2: Convert to fraction form
   679,078/1,439,104 = 1,439,104/x
3. Step 3: Cross multiply
   679,078x = 1,439,104 × 1,439,104
4. Step 4: Simplify right side
   679,078x = 2,071,020,322,816
5. Step 5: Solve for x
   x = 2,071,020,322,816/679,078
6. Step 6: Final answer
   x = 3,049,753.23