Finding the Third Proportional to 6,310,686 and 13,815,456

Step by Step Solution

1. Step 1: Write the proportion equation
   6,310,686 : 13,815,456 = 13,815,456 : x
2. Step 2: Convert to fraction form
   6,310,686/13,815,456 = 13,815,456/x
3. Step 3: Cross multiply
   6,310,686x = 13,815,456 × 13,815,456
4. Step 4: Simplify right side
   6,310,686x = 190,866,824,487,936
5. Step 5: Solve for x
   x = 190,866,824,487,936/6,310,686
6. Step 6: Final answer
   x = 30,245,020.03