Finding the Third Proportional to 8,503,112 and 12,633,544

Step by Step Solution

1. Step 1: Write the proportion equation
   8,503,112 : 12,633,544 = 12,633,544 : x
2. Step 2: Convert to fraction form
   8,503,112/12,633,544 = 12,633,544/x
3. Step 3: Cross multiply
   8,503,112x = 12,633,544 × 12,633,544
4. Step 4: Simplify right side
   8,503,112x = 159,606,433,999,936
5. Step 5: Solve for x
   x = 159,606,433,999,936/8,503,112
6. Step 6: Final answer
   x = 18,770,355.37