Finding the Third Proportional to 8,185,043 and 12,839,900

Step by Step Solution

1. Step 1: Write the proportion equation
   8,185,043 : 12,839,900 = 12,839,900 : x
2. Step 2: Convert to fraction form
   8,185,043/12,839,900 = 12,839,900/x
3. Step 3: Cross multiply
   8,185,043x = 12,839,900 × 12,839,900
4. Step 4: Simplify right side
   8,185,043x = 164,863,032,010,000
5. Step 5: Solve for x
   x = 164,863,032,010,000/8,185,043
6. Step 6: Final answer
   x = 20,141,987.28