Finding the Third Proportional to 2,021,870 and 4,414,234

Step by Step Solution

1. Step 1: Write the proportion equation
   2,021,870 : 4,414,234 = 4,414,234 : x
2. Step 2: Convert to fraction form
   2,021,870/4,414,234 = 4,414,234/x
3. Step 3: Cross multiply
   2,021,870x = 4,414,234 × 4,414,234
4. Step 4: Simplify right side
   2,021,870x = 19,485,461,806,756
5. Step 5: Solve for x
   x = 19,485,461,806,756/2,021,870
6. Step 6: Final answer
   x = 9,637,346.52