Finding the Third Proportional to 1,205,790 and 1,866,204

Step by Step Solution

1. Step 1: Write the proportion equation
   1,205,790 : 1,866,204 = 1,866,204 : x
2. Step 2: Convert to fraction form
   1,205,790/1,866,204 = 1,866,204/x
3. Step 3: Cross multiply
   1,205,790x = 1,866,204 × 1,866,204
4. Step 4: Simplify right side
   1,205,790x = 3,482,717,369,616
5. Step 5: Solve for x
   x = 3,482,717,369,616/1,205,790
6. Step 6: Final answer
   x = 2,888,328.29