Finding the Third Proportional to 677,686 and 1,473,434

Step by Step Solution

1. Step 1: Write the proportion equation
   677,686 : 1,473,434 = 1,473,434 : x
2. Step 2: Convert to fraction form
   677,686/1,473,434 = 1,473,434/x
3. Step 3: Cross multiply
   677,686x = 1,473,434 × 1,473,434
4. Step 4: Simplify right side
   677,686x = 2,171,007,752,356
5. Step 5: Solve for x
   x = 2,171,007,752,356/677,686
6. Step 6: Final answer
   x = 3,203,559.99