Finding the Third Proportional to 1,139,687 and 1,804,666

Step by Step Solution

1. Step 1: Write the proportion equation
   1,139,687 : 1,804,666 = 1,804,666 : x
2. Step 2: Convert to fraction form
   1,139,687/1,804,666 = 1,804,666/x
3. Step 3: Cross multiply
   1,139,687x = 1,804,666 × 1,804,666
4. Step 4: Simplify right side
   1,139,687x = 3,256,819,371,556
5. Step 5: Solve for x
   x = 3,256,819,371,556/1,139,687
6. Step 6: Final answer
   x = 2,857,643.70