Finding the Third Proportional to 2,019,970 and 4,419,992

Step by Step Solution

1. Step 1: Write the proportion equation
   2,019,970 : 4,419,992 = 4,419,992 : x
2. Step 2: Convert to fraction form
   2,019,970/4,419,992 = 4,419,992/x
3. Step 3: Cross multiply
   2,019,970x = 4,419,992 × 4,419,992
4. Step 4: Simplify right side
   2,019,970x = 19,536,329,280,064
5. Step 5: Solve for x
   x = 19,536,329,280,064/2,019,970
6. Step 6: Final answer
   x = 9,671,593.78