Finding the Third Proportional to 8,617,598 and 13,105,488

Step by Step Solution

1. Step 1: Write the proportion equation
   8,617,598 : 13,105,488 = 13,105,488 : x
2. Step 2: Convert to fraction form
   8,617,598/13,105,488 = 13,105,488/x
3. Step 3: Cross multiply
   8,617,598x = 13,105,488 × 13,105,488
4. Step 4: Simplify right side
   8,617,598x = 171,753,815,718,144
5. Step 5: Solve for x
   x = 171,753,815,718,144/8,617,598
6. Step 6: Final answer
   x = 19,930,590.37