Finding the Third Proportional to 12,491,055 and 18,632,956.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,491,055 : 18,632,956.50 = 18,632,956.50 : x
2. Step 2: Convert to fraction form
   12,491,055/18,632,956.50 = 18,632,956.50/x
3. Step 3: Cross multiply
   12,491,055x = 18,632,956.50 × 18,632,956.50
4. Step 4: Simplify right side
   12,491,055x = 347,187,067,930,892.25
5. Step 5: Solve for x
   x = 347,187,067,930,892.25/12,491,055
6. Step 6: Final answer
   x = 27,794,855.43