Finding the Third Proportional to 8,617,593 and 13,105,480.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,617,593 : 13,105,480.50 = 13,105,480.50 : x
2. Step 2: Convert to fraction form
   8,617,593/13,105,480.50 = 13,105,480.50/x
3. Step 3: Cross multiply
   8,617,593x = 13,105,480.50 × 13,105,480.50
4. Step 4: Simplify right side
   8,617,593x = 171,753,619,135,880.25
5. Step 5: Solve for x
   x = 171,753,619,135,880.25/8,617,593
6. Step 6: Final answer
   x = 19,930,579.12