Finding the Third Proportional to 3,872,848 and 8,188,946

Step by Step Solution

1. Step 1: Write the proportion equation
   3,872,848 : 8,188,946 = 8,188,946 : x
2. Step 2: Convert to fraction form
   3,872,848/8,188,946 = 8,188,946/x
3. Step 3: Cross multiply
   3,872,848x = 8,188,946 × 8,188,946
4. Step 4: Simplify right side
   3,872,848x = 67,058,836,590,916
5. Step 5: Solve for x
   x = 67,058,836,590,916/3,872,848
6. Step 6: Final answer
   x = 17,315,122.25