Finding the Third Proportional to 1,860,558 and 4,018,524

Step by Step Solution

1. Step 1: Write the proportion equation
   1,860,558 : 4,018,524 = 4,018,524 : x
2. Step 2: Convert to fraction form
   1,860,558/4,018,524 = 4,018,524/x
3. Step 3: Cross multiply
   1,860,558x = 4,018,524 × 4,018,524
4. Step 4: Simplify right side
   1,860,558x = 16,148,535,138,576
5. Step 5: Solve for x
   x = 16,148,535,138,576/1,860,558
6. Step 6: Final answer
   x = 8,679,404.32