Finding the Third Proportional to 2,619,857 and 4,165,977

Step by Step Solution

1. Step 1: Write the proportion equation
   2,619,857 : 4,165,977 = 4,165,977 : x
2. Step 2: Convert to fraction form
   2,619,857/4,165,977 = 4,165,977/x
3. Step 3: Cross multiply
   2,619,857x = 4,165,977 × 4,165,977
4. Step 4: Simplify right side
   2,619,857x = 17,355,364,364,529
5. Step 5: Solve for x
   x = 17,355,364,364,529/2,619,857
6. Step 6: Final answer
   x = 6,624,546.44