Finding the Third Proportional to 528,855 and 1,085,871

Step by Step Solution

1. Step 1: Write the proportion equation
   528,855 : 1,085,871 = 1,085,871 : x
2. Step 2: Convert to fraction form
   528,855/1,085,871 = 1,085,871/x
3. Step 3: Cross multiply
   528,855x = 1,085,871 × 1,085,871
4. Step 4: Simplify right side
   528,855x = 1,179,115,828,641
5. Step 5: Solve for x
   x = 1,179,115,828,641/528,855
6. Step 6: Final answer
   x = 2,229,563.55