Finding the Third Proportional to 2,645,433 and 3,957,861

Step by Step Solution

1. Step 1: Write the proportion equation
   2,645,433 : 3,957,861 = 3,957,861 : x
2. Step 2: Convert to fraction form
   2,645,433/3,957,861 = 3,957,861/x
3. Step 3: Cross multiply
   2,645,433x = 3,957,861 × 3,957,861
4. Step 4: Simplify right side
   2,645,433x = 15,664,663,695,321
5. Step 5: Solve for x
   x = 15,664,663,695,321/2,645,433
6. Step 6: Final answer
   x = 5,921,398.76