Finding the Third Proportional to 2,226,840 and 4,879,281

Step by Step Solution

1. Step 1: Write the proportion equation
   2,226,840 : 4,879,281 = 4,879,281 : x
2. Step 2: Convert to fraction form
   2,226,840/4,879,281 = 4,879,281/x
3. Step 3: Cross multiply
   2,226,840x = 4,879,281 × 4,879,281
4. Step 4: Simplify right side
   2,226,840x = 23,807,383,076,961
5. Step 5: Solve for x
   x = 23,807,383,076,961/2,226,840
6. Step 6: Final answer
   x = 10,691,106.27