Finding the Third Proportional to 3,600,519 and 8,499,367

Step by Step Solution

1. Step 1: Write the proportion equation
   3,600,519 : 8,499,367 = 8,499,367 : x
2. Step 2: Convert to fraction form
   3,600,519/8,499,367 = 8,499,367/x
3. Step 3: Cross multiply
   3,600,519x = 8,499,367 × 8,499,367
4. Step 4: Simplify right side
   3,600,519x = 72,239,239,400,689
5. Step 5: Solve for x
   x = 72,239,239,400,689/3,600,519
6. Step 6: Final answer
   x = 20,063,562.89