Finding the Third Proportional to 1,139,781 and 1,804,806

Step by Step Solution

1. Step 1: Write the proportion equation
   1,139,781 : 1,804,806 = 1,804,806 : x
2. Step 2: Convert to fraction form
   1,139,781/1,804,806 = 1,804,806/x
3. Step 3: Cross multiply
   1,139,781x = 1,804,806 × 1,804,806
4. Step 4: Simplify right side
   1,139,781x = 3,257,324,697,636
5. Step 5: Solve for x
   x = 3,257,324,697,636/1,139,781
6. Step 6: Final answer
   x = 2,857,851.37