Finding the Third Proportional to 1,659,221 and 3,485,302

Step by Step Solution

1. Step 1: Write the proportion equation
   1,659,221 : 3,485,302 = 3,485,302 : x
2. Step 2: Convert to fraction form
   1,659,221/3,485,302 = 3,485,302/x
3. Step 3: Cross multiply
   1,659,221x = 3,485,302 × 3,485,302
4. Step 4: Simplify right side
   1,659,221x = 12,147,330,031,204
5. Step 5: Solve for x
   x = 12,147,330,031,204/1,659,221
6. Step 6: Final answer
   x = 7,321,104.32