Finding the Third Proportional to 671,686 and 1,419,179

Step by Step Solution

1. Step 1: Write the proportion equation
   671,686 : 1,419,179 = 1,419,179 : x
2. Step 2: Convert to fraction form
   671,686/1,419,179 = 1,419,179/x
3. Step 3: Cross multiply
   671,686x = 1,419,179 × 1,419,179
4. Step 4: Simplify right side
   671,686x = 2,014,069,034,041
5. Step 5: Solve for x
   x = 2,014,069,034,041/671,686
6. Step 6: Final answer
   x = 2,998,527.64