Finding the Third Proportional to 671,666 and 1,419,144

Step by Step Solution

1. Step 1: Write the proportion equation
   671,666 : 1,419,144 = 1,419,144 : x
2. Step 2: Convert to fraction form
   671,666/1,419,144 = 1,419,144/x
3. Step 3: Cross multiply
   671,666x = 1,419,144 × 1,419,144
4. Step 4: Simplify right side
   671,666x = 2,013,969,692,736
5. Step 5: Solve for x
   x = 2,013,969,692,736/671,666
6. Step 6: Final answer
   x = 2,998,469.02