Finding the Third Proportional to 2,645,419 and 3,957,844

Step by Step Solution

1. Step 1: Write the proportion equation
   2,645,419 : 3,957,844 = 3,957,844 : x
2. Step 2: Convert to fraction form
   2,645,419/3,957,844 = 3,957,844/x
3. Step 3: Cross multiply
   2,645,419x = 3,957,844 × 3,957,844
4. Step 4: Simplify right side
   2,645,419x = 15,664,529,128,336
5. Step 5: Solve for x
   x = 15,664,529,128,336/2,645,419
6. Step 6: Final answer
   x = 5,921,379.23