Finding the Third Proportional to 2,122,376 and 4,580,860

Step by Step Solution

1. Step 1: Write the proportion equation
   2,122,376 : 4,580,860 = 4,580,860 : x
2. Step 2: Convert to fraction form
   2,122,376/4,580,860 = 4,580,860/x
3. Step 3: Cross multiply
   2,122,376x = 4,580,860 × 4,580,860
4. Step 4: Simplify right side
   2,122,376x = 20,984,278,339,600
5. Step 5: Solve for x
   x = 20,984,278,339,600/2,122,376
6. Step 6: Final answer
   x = 9,887,163.41