Finding the Third Proportional to 1,447,663 and 2,858,993

Step by Step Solution

1. Step 1: Write the proportion equation
   1,447,663 : 2,858,993 = 2,858,993 : x
2. Step 2: Convert to fraction form
   1,447,663/2,858,993 = 2,858,993/x
3. Step 3: Cross multiply
   1,447,663x = 2,858,993 × 2,858,993
4. Step 4: Simplify right side
   1,447,663x = 8,173,840,974,049
5. Step 5: Solve for x
   x = 8,173,840,974,049/1,447,663
6. Step 6: Final answer
   x = 5,646,231.87