Finding the Third Proportional to 1,163,580 and 1,800,666

Step by Step Solution

1. Step 1: Write the proportion equation
   1,163,580 : 1,800,666 = 1,800,666 : x
2. Step 2: Convert to fraction form
   1,163,580/1,800,666 = 1,800,666/x
3. Step 3: Cross multiply
   1,163,580x = 1,800,666 × 1,800,666
4. Step 4: Simplify right side
   1,163,580x = 3,242,398,043,556
5. Step 5: Solve for x
   x = 3,242,398,043,556/1,163,580
6. Step 6: Final answer
   x = 2,786,570.79