Finding the Third Proportional to 4,131,729 and 8,949,546

Step by Step Solution

1. Step 1: Write the proportion equation
   4,131,729 : 8,949,546 = 8,949,546 : x
2. Step 2: Convert to fraction form
   4,131,729/8,949,546 = 8,949,546/x
3. Step 3: Cross multiply
   4,131,729x = 8,949,546 × 8,949,546
4. Step 4: Simplify right side
   4,131,729x = 80,094,373,606,116
5. Step 5: Solve for x
   x = 80,094,373,606,116/4,131,729
6. Step 6: Final answer
   x = 19,385,195.30