Finding the Third Proportional to 8,378,023,131 and 12,494,381,458.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,378,023,131 : 12,494,381,458.50 = 12,494,381,458.50 : x
2. Step 2: Convert to fraction form
   8,378,023,131/12,494,381,458.50 = 12,494,381,458.50/x
3. Step 3: Cross multiply
   8,378,023,131x = 12,494,381,458.50 × 12,494,381,458.50
4. Step 4: Simplify right side
   8,378,023,131x = 156,109,568,030,508,580,864
5. Step 5: Solve for x
   x = 156,109,568,030,508,580,864/8,378,023,131
6. Step 6: Final answer
   x = 18,633,222,371.14