Finding the Third Proportional to 8,436,185 and 12,598,995

Step by Step Solution

1. Step 1: Write the proportion equation
   8,436,185 : 12,598,995 = 12,598,995 : x
2. Step 2: Convert to fraction form
   8,436,185/12,598,995 = 12,598,995/x
3. Step 3: Cross multiply
   8,436,185x = 12,598,995 × 12,598,995
4. Step 4: Simplify right side
   8,436,185x = 158,734,675,010,025
5. Step 5: Solve for x
   x = 158,734,675,010,025/8,436,185
6. Step 6: Final answer
   x = 18,815,931.02