Finding the Third Proportional to 2,019,989 and 4,420,030

Step by Step Solution

1. Step 1: Write the proportion equation
   2,019,989 : 4,420,030 = 4,420,030 : x
2. Step 2: Convert to fraction form
   2,019,989/4,420,030 = 4,420,030/x
3. Step 3: Cross multiply
   2,019,989x = 4,420,030 × 4,420,030
4. Step 4: Simplify right side
   2,019,989x = 19,536,665,200,900
5. Step 5: Solve for x
   x = 19,536,665,200,900/2,019,989
6. Step 6: Final answer
   x = 9,671,669.10