Finding the Third Proportional to 8,245,012 and 12,120,954

Step by Step Solution

1. Step 1: Write the proportion equation
   8,245,012 : 12,120,954 = 12,120,954 : x
2. Step 2: Convert to fraction form
   8,245,012/12,120,954 = 12,120,954/x
3. Step 3: Cross multiply
   8,245,012x = 12,120,954 × 12,120,954
4. Step 4: Simplify right side
   8,245,012x = 146,917,525,870,116
5. Step 5: Solve for x
   x = 146,917,525,870,116/8,245,012
6. Step 6: Final answer
   x = 17,818,958.40