Finding the Third Proportional to 2,134,638 and 4,623,570

Step by Step Solution

1. Step 1: Write the proportion equation
   2,134,638 : 4,623,570 = 4,623,570 : x
2. Step 2: Convert to fraction form
   2,134,638/4,623,570 = 4,623,570/x
3. Step 3: Cross multiply
   2,134,638x = 4,623,570 × 4,623,570
4. Step 4: Simplify right side
   2,134,638x = 21,377,399,544,900
5. Step 5: Solve for x
   x = 21,377,399,544,900/2,134,638
6. Step 6: Final answer
   x = 10,014,531.52