Finding the Third Proportional to 858,928 and 1,828,736

Step by Step Solution

1. Step 1: Write the proportion equation
   858,928 : 1,828,736 = 1,828,736 : x
2. Step 2: Convert to fraction form
   858,928/1,828,736 = 1,828,736/x
3. Step 3: Cross multiply
   858,928x = 1,828,736 × 1,828,736
4. Step 4: Simplify right side
   858,928x = 3,344,275,357,696
5. Step 5: Solve for x
   x = 3,344,275,357,696/858,928
6. Step 6: Final answer
   x = 3,893,545.63