Finding the Third Proportional to 3,954,751 and 8,505,662

Step by Step Solution

1. Step 1: Write the proportion equation
   3,954,751 : 8,505,662 = 8,505,662 : x
2. Step 2: Convert to fraction form
   3,954,751/8,505,662 = 8,505,662/x
3. Step 3: Cross multiply
   3,954,751x = 8,505,662 × 8,505,662
4. Step 4: Simplify right side
   3,954,751x = 72,346,286,058,244
5. Step 5: Solve for x
   x = 72,346,286,058,244/3,954,751
6. Step 6: Final answer
   x = 18,293,512.30