Finding the Third Proportional to 2,019,118 and 4,318,388

Step by Step Solution

1. Step 1: Write the proportion equation
   2,019,118 : 4,318,388 = 4,318,388 : x
2. Step 2: Convert to fraction form
   2,019,118/4,318,388 = 4,318,388/x
3. Step 3: Cross multiply
   2,019,118x = 4,318,388 × 4,318,388
4. Step 4: Simplify right side
   2,019,118x = 18,648,474,918,544
5. Step 5: Solve for x
   x = 18,648,474,918,544/2,019,118
6. Step 6: Final answer
   x = 9,235,951.00