Finding the Third Proportional to 1,421,296 and 2,899,685

Step by Step Solution

1. Step 1: Write the proportion equation
   1,421,296 : 2,899,685 = 2,899,685 : x
2. Step 2: Convert to fraction form
   1,421,296/2,899,685 = 2,899,685/x
3. Step 3: Cross multiply
   1,421,296x = 2,899,685 × 2,899,685
4. Step 4: Simplify right side
   1,421,296x = 8,408,173,099,225
5. Step 5: Solve for x
   x = 8,408,173,099,225/1,421,296
6. Step 6: Final answer
   x = 5,915,849.41