Finding the Third Proportional to 3,600,515 and 8,499,357

Step by Step Solution

1. Step 1: Write the proportion equation
   3,600,515 : 8,499,357 = 8,499,357 : x
2. Step 2: Convert to fraction form
   3,600,515/8,499,357 = 8,499,357/x
3. Step 3: Cross multiply
   3,600,515x = 8,499,357 × 8,499,357
4. Step 4: Simplify right side
   3,600,515x = 72,239,069,413,449
5. Step 5: Solve for x
   x = 72,239,069,413,449/3,600,515
6. Step 6: Final answer
   x = 20,063,537.97