Finding the Third Proportional to 2,860,661 and 4,320,151

Step by Step Solution

1. Step 1: Write the proportion equation
   2,860,661 : 4,320,151 = 4,320,151 : x
2. Step 2: Convert to fraction form
   2,860,661/4,320,151 = 4,320,151/x
3. Step 3: Cross multiply
   2,860,661x = 4,320,151 × 4,320,151
4. Step 4: Simplify right side
   2,860,661x = 18,663,704,662,801
5. Step 5: Solve for x
   x = 18,663,704,662,801/2,860,661
6. Step 6: Final answer
   x = 6,524,262.98