Finding the Third Proportional to 871,419 and 1,914,666

Step by Step Solution

1. Step 1: Write the proportion equation
   871,419 : 1,914,666 = 1,914,666 : x
2. Step 2: Convert to fraction form
   871,419/1,914,666 = 1,914,666/x
3. Step 3: Cross multiply
   871,419x = 1,914,666 × 1,914,666
4. Step 4: Simplify right side
   871,419x = 3,665,945,891,556
5. Step 5: Solve for x
   x = 3,665,945,891,556/871,419
6. Step 6: Final answer
   x = 4,206,869.36