Finding the Third Proportional to 851,790 and 1,862,556

Step by Step Solution

1. Step 1: Write the proportion equation
   851,790 : 1,862,556 = 1,862,556 : x
2. Step 2: Convert to fraction form
   851,790/1,862,556 = 1,862,556/x
3. Step 3: Cross multiply
   851,790x = 1,862,556 × 1,862,556
4. Step 4: Simplify right side
   851,790x = 3,469,114,853,136
5. Step 5: Solve for x
   x = 3,469,114,853,136/851,790
6. Step 6: Final answer
   x = 4,072,734.89