Finding the Third Proportional to 2,688,912 and 4,165,568

Step by Step Solution

1. Step 1: Write the proportion equation
   2,688,912 : 4,165,568 = 4,165,568 : x
2. Step 2: Convert to fraction form
   2,688,912/4,165,568 = 4,165,568/x
3. Step 3: Cross multiply
   2,688,912x = 4,165,568 × 4,165,568
4. Step 4: Simplify right side
   2,688,912x = 17,351,956,762,624
5. Step 5: Solve for x
   x = 17,351,956,762,624/2,688,912
6. Step 6: Final answer
   x = 6,453,151.60