Finding the Third Proportional to 2,645,448 and 3,957,894

Step by Step Solution

1. Step 1: Write the proportion equation
   2,645,448 : 3,957,894 = 3,957,894 : x
2. Step 2: Convert to fraction form
   2,645,448/3,957,894 = 3,957,894/x
3. Step 3: Cross multiply
   2,645,448x = 3,957,894 × 3,957,894
4. Step 4: Simplify right side
   2,645,448x = 15,664,924,915,236
5. Step 5: Solve for x
   x = 15,664,924,915,236/2,645,448
6. Step 6: Final answer
   x = 5,921,463.93