Finding the Third Proportional to 8,617,596 and 13,105,458

Step by Step Solution

1. Step 1: Write the proportion equation
   8,617,596 : 13,105,458 = 13,105,458 : x
2. Step 2: Convert to fraction form
   8,617,596/13,105,458 = 13,105,458/x
3. Step 3: Cross multiply
   8,617,596x = 13,105,458 × 13,105,458
4. Step 4: Simplify right side
   8,617,596x = 171,753,029,389,764
5. Step 5: Solve for x
   x = 171,753,029,389,764/8,617,596
6. Step 6: Final answer
   x = 19,930,503.75