Finding the Third Proportional to 804,890 and 1,675,780

Step by Step Solution

1. Step 1: Write the proportion equation
   804,890 : 1,675,780 = 1,675,780 : x
2. Step 2: Convert to fraction form
   804,890/1,675,780 = 1,675,780/x
3. Step 3: Cross multiply
   804,890x = 1,675,780 × 1,675,780
4. Step 4: Simplify right side
   804,890x = 2,808,238,608,400
5. Step 5: Solve for x
   x = 2,808,238,608,400/804,890
6. Step 6: Final answer
   x = 3,488,971.92