Finding the Third Proportional to 8,617,592 and 13,105,479

Step by Step Solution

1. Step 1: Write the proportion equation
   8,617,592 : 13,105,479 = 13,105,479 : x
2. Step 2: Convert to fraction form
   8,617,592/13,105,479 = 13,105,479/x
3. Step 3: Cross multiply
   8,617,592x = 13,105,479 × 13,105,479
4. Step 4: Simplify right side
   8,617,592x = 171,753,579,819,441
5. Step 5: Solve for x
   x = 171,753,579,819,441/8,617,592
6. Step 6: Final answer
   x = 19,930,576.87