Finding the Third Proportional to 1,205,290 and 1,823,486

Step by Step Solution

1. Step 1: Write the proportion equation
   1,205,290 : 1,823,486 = 1,823,486 : x
2. Step 2: Convert to fraction form
   1,205,290/1,823,486 = 1,823,486/x
3. Step 3: Cross multiply
   1,205,290x = 1,823,486 × 1,823,486
4. Step 4: Simplify right side
   1,205,290x = 3,325,101,192,196
5. Step 5: Solve for x
   x = 3,325,101,192,196/1,205,290
6. Step 6: Final answer
   x = 2,758,756.14