Finding the Third Proportional to 1,682,911 and 3,622,421

Step by Step Solution

1. Step 1: Write the proportion equation
   1,682,911 : 3,622,421 = 3,622,421 : x
2. Step 2: Convert to fraction form
   1,682,911/3,622,421 = 3,622,421/x
3. Step 3: Cross multiply
   1,682,911x = 3,622,421 × 3,622,421
4. Step 4: Simplify right side
   1,682,911x = 13,121,933,901,241
5. Step 5: Solve for x
   x = 13,121,933,901,241/1,682,911
6. Step 6: Final answer
   x = 7,797,164.50