Finding the Third Proportional to 1,220,204 and 1,855,182

Step by Step Solution

1. Step 1: Write the proportion equation
   1,220,204 : 1,855,182 = 1,855,182 : x
2. Step 2: Convert to fraction form
   1,220,204/1,855,182 = 1,855,182/x
3. Step 3: Cross multiply
   1,220,204x = 1,855,182 × 1,855,182
4. Step 4: Simplify right side
   1,220,204x = 3,441,700,253,124
5. Step 5: Solve for x
   x = 3,441,700,253,124/1,220,204
6. Step 6: Final answer
   x = 2,820,594.14