Finding the Third Proportional to 1,355,268 and 1,806,778

Step by Step Solution

1. Step 1: Write the proportion equation
   1,355,268 : 1,806,778 = 1,806,778 : x
2. Step 2: Convert to fraction form
   1,355,268/1,806,778 = 1,806,778/x
3. Step 3: Cross multiply
   1,355,268x = 1,806,778 × 1,806,778
4. Step 4: Simplify right side
   1,355,268x = 3,264,446,741,284
5. Step 5: Solve for x
   x = 3,264,446,741,284/1,355,268
6. Step 6: Final answer
   x = 2,408,709.38