Finding the Third Proportional to 857,580 and 1,810,302

Step by Step Solution

1. Step 1: Write the proportion equation
   857,580 : 1,810,302 = 1,810,302 : x
2. Step 2: Convert to fraction form
   857,580/1,810,302 = 1,810,302/x
3. Step 3: Cross multiply
   857,580x = 1,810,302 × 1,810,302
4. Step 4: Simplify right side
   857,580x = 3,277,193,331,204
5. Step 5: Solve for x
   x = 3,277,193,331,204/857,580
6. Step 6: Final answer
   x = 3,821,443.28