Finding the Third Proportional to 8,617,464 and 13,105,245

Step by Step Solution

1. Step 1: Write the proportion equation
   8,617,464 : 13,105,245 = 13,105,245 : x
2. Step 2: Convert to fraction form
   8,617,464/13,105,245 = 13,105,245/x
3. Step 3: Cross multiply
   8,617,464x = 13,105,245 × 13,105,245
4. Step 4: Simplify right side
   8,617,464x = 171,747,446,510,025
5. Step 5: Solve for x
   x = 171,747,446,510,025/8,617,464
6. Step 6: Final answer
   x = 19,930,161.18