Finding the Third Proportional to 1,603,815 and 3,321,314

Step by Step Solution

1. Step 1: Write the proportion equation
   1,603,815 : 3,321,314 = 3,321,314 : x
2. Step 2: Convert to fraction form
   1,603,815/3,321,314 = 3,321,314/x
3. Step 3: Cross multiply
   1,603,815x = 3,321,314 × 3,321,314
4. Step 4: Simplify right side
   1,603,815x = 11,031,126,686,596
5. Step 5: Solve for x
   x = 11,031,126,686,596/1,603,815
6. Step 6: Final answer
   x = 6,878,054.32