Finding the Third Proportional to 3,828,905 and 8,164,647

Step by Step Solution

1. Step 1: Write the proportion equation
   3,828,905 : 8,164,647 = 8,164,647 : x
2. Step 2: Convert to fraction form
   3,828,905/8,164,647 = 8,164,647/x
3. Step 3: Cross multiply
   3,828,905x = 8,164,647 × 8,164,647
4. Step 4: Simplify right side
   3,828,905x = 66,661,460,634,609
5. Step 5: Solve for x
   x = 66,661,460,634,609/3,828,905
6. Step 6: Final answer
   x = 17,410,058.66