Finding the Third Proportional to 1,205,797 and 1,866,216

Step by Step Solution

1. Step 1: Write the proportion equation
   1,205,797 : 1,866,216 = 1,866,216 : x
2. Step 2: Convert to fraction form
   1,205,797/1,866,216 = 1,866,216/x
3. Step 3: Cross multiply
   1,205,797x = 1,866,216 × 1,866,216
4. Step 4: Simplify right side
   1,205,797x = 3,482,762,158,656
5. Step 5: Solve for x
   x = 3,482,762,158,656/1,205,797
6. Step 6: Final answer
   x = 2,888,348.67