Finding the Third Proportional to 8,135,653 and 12,308,454

Step by Step Solution

1. Step 1: Write the proportion equation
   8,135,653 : 12,308,454 = 12,308,454 : x
2. Step 2: Convert to fraction form
   8,135,653/12,308,454 = 12,308,454/x
3. Step 3: Cross multiply
   8,135,653x = 12,308,454 × 12,308,454
4. Step 4: Simplify right side
   8,135,653x = 151,498,039,870,116
5. Step 5: Solve for x
   x = 151,498,039,870,116/8,135,653
6. Step 6: Final answer
   x = 18,621,497.24