Finding the Third Proportional to 2,860,890 and 4,009,529

Step by Step Solution

1. Step 1: Write the proportion equation
   2,860,890 : 4,009,529 = 4,009,529 : x
2. Step 2: Convert to fraction form
   2,860,890/4,009,529 = 4,009,529/x
3. Step 3: Cross multiply
   2,860,890x = 4,009,529 × 4,009,529
4. Step 4: Simplify right side
   2,860,890x = 16,076,322,801,841
5. Step 5: Solve for x
   x = 16,076,322,801,841/2,860,890
6. Step 6: Final answer
   x = 5,619,343.21