Finding the Third Proportional to 3,920,942 and 8,493,268

Step by Step Solution

1. Step 1: Write the proportion equation
   3,920,942 : 8,493,268 = 8,493,268 : x
2. Step 2: Convert to fraction form
   3,920,942/8,493,268 = 8,493,268/x
3. Step 3: Cross multiply
   3,920,942x = 8,493,268 × 8,493,268
4. Step 4: Simplify right side
   3,920,942x = 72,135,601,319,824
5. Step 5: Solve for x
   x = 72,135,601,319,824/3,920,942
6. Step 6: Final answer
   x = 18,397,518.08