Finding the Third Proportional to 1,860,602 and 4,018,612

Step by Step Solution

1. Step 1: Write the proportion equation
   1,860,602 : 4,018,612 = 4,018,612 : x
2. Step 2: Convert to fraction form
   1,860,602/4,018,612 = 4,018,612/x
3. Step 3: Cross multiply
   1,860,602x = 4,018,612 × 4,018,612
4. Step 4: Simplify right side
   1,860,602x = 16,149,242,406,544
5. Step 5: Solve for x
   x = 16,149,242,406,544/1,860,602
6. Step 6: Final answer
   x = 8,679,579.19