Finding the Third Proportional to 3,946,936 and 8,632,016

Step by Step Solution

1. Step 1: Write the proportion equation
   3,946,936 : 8,632,016 = 8,632,016 : x
2. Step 2: Convert to fraction form
   3,946,936/8,632,016 = 8,632,016/x
3. Step 3: Cross multiply
   3,946,936x = 8,632,016 × 8,632,016
4. Step 4: Simplify right side
   3,946,936x = 74,511,700,224,256
5. Step 5: Solve for x
   x = 74,511,700,224,256/3,946,936
6. Step 6: Final answer
   x = 18,878,365.45