Finding the Third Proportional to 1,928,917 and 4,123,568

Step by Step Solution

1. Step 1: Write the proportion equation
   1,928,917 : 4,123,568 = 4,123,568 : x
2. Step 2: Convert to fraction form
   1,928,917/4,123,568 = 4,123,568/x
3. Step 3: Cross multiply
   1,928,917x = 4,123,568 × 4,123,568
4. Step 4: Simplify right side
   1,928,917x = 17,003,813,050,624
5. Step 5: Solve for x
   x = 17,003,813,050,624/1,928,917
6. Step 6: Final answer
   x = 8,815,212.40