Finding the Third Proportional to 871,613 and 1,887,993

Step by Step Solution

1. Step 1: Write the proportion equation
   871,613 : 1,887,993 = 1,887,993 : x
2. Step 2: Convert to fraction form
   871,613/1,887,993 = 1,887,993/x
3. Step 3: Cross multiply
   871,613x = 1,887,993 × 1,887,993
4. Step 4: Simplify right side
   871,613x = 3,564,517,568,049
5. Step 5: Solve for x
   x = 3,564,517,568,049/871,613
6. Step 6: Final answer
   x = 4,089,564.48