Finding the Third Proportional to 858,912 and 1,828,704

Step by Step Solution

1. Step 1: Write the proportion equation
   858,912 : 1,828,704 = 1,828,704 : x
2. Step 2: Convert to fraction form
   858,912/1,828,704 = 1,828,704/x
3. Step 3: Cross multiply
   858,912x = 1,828,704 × 1,828,704
4. Step 4: Simplify right side
   858,912x = 3,344,158,319,616
5. Step 5: Solve for x
   x = 3,344,158,319,616/858,912
6. Step 6: Final answer
   x = 3,893,481.89