Finding the Third Proportional to 2,688,896 and 4,165,544

Step by Step Solution

1. Step 1: Write the proportion equation
   2,688,896 : 4,165,544 = 4,165,544 : x
2. Step 2: Convert to fraction form
   2,688,896/4,165,544 = 4,165,544/x
3. Step 3: Cross multiply
   2,688,896x = 4,165,544 × 4,165,544
4. Step 4: Simplify right side
   2,688,896x = 17,351,756,815,936
5. Step 5: Solve for x
   x = 17,351,756,815,936/2,688,896
6. Step 6: Final answer
   x = 6,453,115.63