Finding the Third Proportional to 858,930 and 1,828,740

Step by Step Solution

1. Step 1: Write the proportion equation
   858,930 : 1,828,740 = 1,828,740 : x
2. Step 2: Convert to fraction form
   858,930/1,828,740 = 1,828,740/x
3. Step 3: Cross multiply
   858,930x = 1,828,740 × 1,828,740
4. Step 4: Simplify right side
   858,930x = 3,344,289,987,600
5. Step 5: Solve for x
   x = 3,344,289,987,600/858,930
6. Step 6: Final answer
   x = 3,893,553.59