Finding the Third Proportional to 871,034 and 1,821,886

Step by Step Solution

1. Step 1: Write the proportion equation
   871,034 : 1,821,886 = 1,821,886 : x
2. Step 2: Convert to fraction form
   871,034/1,821,886 = 1,821,886/x
3. Step 3: Cross multiply
   871,034x = 1,821,886 × 1,821,886
4. Step 4: Simplify right side
   871,034x = 3,319,268,596,996
5. Step 5: Solve for x
   x = 3,319,268,596,996/871,034
6. Step 6: Final answer
   x = 3,810,722.20