Finding the Third Proportional to 2,126,355 and 4,547,766

Step by Step Solution

1. Step 1: Write the proportion equation
   2,126,355 : 4,547,766 = 4,547,766 : x
2. Step 2: Convert to fraction form
   2,126,355/4,547,766 = 4,547,766/x
3. Step 3: Cross multiply
   2,126,355x = 4,547,766 × 4,547,766
4. Step 4: Simplify right side
   2,126,355x = 20,682,175,590,756
5. Step 5: Solve for x
   x = 20,682,175,590,756/2,126,355
6. Step 6: Final answer
   x = 9,726,586.38