Finding the Third Proportional to 1,015,995 and 2,171,958

Step by Step Solution

1. Step 1: Write the proportion equation
   1,015,995 : 2,171,958 = 2,171,958 : x
2. Step 2: Convert to fraction form
   1,015,995/2,171,958 = 2,171,958/x
3. Step 3: Cross multiply
   1,015,995x = 2,171,958 × 2,171,958
4. Step 4: Simplify right side
   1,015,995x = 4,717,401,553,764
5. Step 5: Solve for x
   x = 4,717,401,553,764/1,015,995
6. Step 6: Final answer
   x = 4,643,134.62