Finding the Third Proportional to 8,619,852 and 12,906,036

Step by Step Solution

1. Step 1: Write the proportion equation
   8,619,852 : 12,906,036 = 12,906,036 : x
2. Step 2: Convert to fraction form
   8,619,852/12,906,036 = 12,906,036/x
3. Step 3: Cross multiply
   8,619,852x = 12,906,036 × 12,906,036
4. Step 4: Simplify right side
   8,619,852x = 166,565,765,233,296
5. Step 5: Solve for x
   x = 166,565,765,233,296/8,619,852
6. Step 6: Final answer
   x = 19,323,506.39