Finding the Third Proportional to 3,906,846 and 8,374,390

Step by Step Solution

1. Step 1: Write the proportion equation
   3,906,846 : 8,374,390 = 8,374,390 : x
2. Step 2: Convert to fraction form
   3,906,846/8,374,390 = 8,374,390/x
3. Step 3: Cross multiply
   3,906,846x = 8,374,390 × 8,374,390
4. Step 4: Simplify right side
   3,906,846x = 70,130,407,872,100
5. Step 5: Solve for x
   x = 70,130,407,872,100/3,906,846
6. Step 6: Final answer
   x = 17,950,645.58