Finding the Third Proportional to 3,940,989 and 5,939,672

Step by Step Solution

1. Step 1: Write the proportion equation
   3,940,989 : 5,939,672 = 5,939,672 : x
2. Step 2: Convert to fraction form
   3,940,989/5,939,672 = 5,939,672/x
3. Step 3: Cross multiply
   3,940,989x = 5,939,672 × 5,939,672
4. Step 4: Simplify right side
   3,940,989x = 35,279,703,467,584
5. Step 5: Solve for x
   x = 35,279,703,467,584/3,940,989
6. Step 6: Final answer
   x = 8,951,992.37