Finding the Third Proportional to 2,645,428 and 3,957,852

Step by Step Solution

1. Step 1: Write the proportion equation
   2,645,428 : 3,957,852 = 3,957,852 : x
2. Step 2: Convert to fraction form
   2,645,428/3,957,852 = 3,957,852/x
3. Step 3: Cross multiply
   2,645,428x = 3,957,852 × 3,957,852
4. Step 4: Simplify right side
   2,645,428x = 15,664,592,453,904
5. Step 5: Solve for x
   x = 15,664,592,453,904/2,645,428
6. Step 6: Final answer
   x = 5,921,383.03