Finding the Third Proportional to 8,083,718 and 12,209,504

Step by Step Solution

1. Step 1: Write the proportion equation
   8,083,718 : 12,209,504 = 12,209,504 : x
2. Step 2: Convert to fraction form
   8,083,718/12,209,504 = 12,209,504/x
3. Step 3: Cross multiply
   8,083,718x = 12,209,504 × 12,209,504
4. Step 4: Simplify right side
   8,083,718x = 149,071,987,926,016
5. Step 5: Solve for x
   x = 149,071,987,926,016/8,083,718
6. Step 6: Final answer
   x = 18,441,017.85