Finding the Third Proportional to 2,167,512 and 3,219,864

Step by Step Solution

1. Step 1: Write the proportion equation
   2,167,512 : 3,219,864 = 3,219,864 : x
2. Step 2: Convert to fraction form
   2,167,512/3,219,864 = 3,219,864/x
3. Step 3: Cross multiply
   2,167,512x = 3,219,864 × 3,219,864
4. Step 4: Simplify right side
   2,167,512x = 10,367,524,178,496
5. Step 5: Solve for x
   x = 10,367,524,178,496/2,167,512
6. Step 6: Final answer
   x = 4,783,145.00