Finding the Third Proportional to 3,946,948 and 8,632,040

Step by Step Solution

1. Step 1: Write the proportion equation
   3,946,948 : 8,632,040 = 8,632,040 : x
2. Step 2: Convert to fraction form
   3,946,948/8,632,040 = 8,632,040/x
3. Step 3: Cross multiply
   3,946,948x = 8,632,040 × 8,632,040
4. Step 4: Simplify right side
   3,946,948x = 74,512,114,561,600
5. Step 5: Solve for x
   x = 74,512,114,561,600/3,946,948
6. Step 6: Final answer
   x = 18,878,413.03