Finding the Third Proportional to 855,560 and 1,858,916

Step by Step Solution

1. Step 1: Write the proportion equation
   855,560 : 1,858,916 = 1,858,916 : x
2. Step 2: Convert to fraction form
   855,560/1,858,916 = 1,858,916/x
3. Step 3: Cross multiply
   855,560x = 1,858,916 × 1,858,916
4. Step 4: Simplify right side
   855,560x = 3,455,568,695,056
5. Step 5: Solve for x
   x = 3,455,568,695,056/855,560
6. Step 6: Final answer
   x = 4,038,955.42