Finding the Third Proportional to 12,687,852 and 18,086,994

Step by Step Solution

1. Step 1: Write the proportion equation
   12,687,852 : 18,086,994 = 18,086,994 : x
2. Step 2: Convert to fraction form
   12,687,852/18,086,994 = 18,086,994/x
3. Step 3: Cross multiply
   12,687,852x = 18,086,994 × 18,086,994
4. Step 4: Simplify right side
   12,687,852x = 327,139,351,956,036
5. Step 5: Solve for x
   x = 327,139,351,956,036/12,687,852
6. Step 6: Final answer
   x = 25,783,667.08