Finding the Third Proportional to 2,154,901 and 3,213,666

Step by Step Solution

1. Step 1: Write the proportion equation
   2,154,901 : 3,213,666 = 3,213,666 : x
2. Step 2: Convert to fraction form
   2,154,901/3,213,666 = 3,213,666/x
3. Step 3: Cross multiply
   2,154,901x = 3,213,666 × 3,213,666
4. Step 4: Simplify right side
   2,154,901x = 10,327,649,159,556
5. Step 5: Solve for x
   x = 10,327,649,159,556/2,154,901
6. Step 6: Final answer
   x = 4,792,632.78