Finding the Third Proportional to 2,388,228 and 4,997,890

Step by Step Solution

1. Step 1: Write the proportion equation
   2,388,228 : 4,997,890 = 4,997,890 : x
2. Step 2: Convert to fraction form
   2,388,228/4,997,890 = 4,997,890/x
3. Step 3: Cross multiply
   2,388,228x = 4,997,890 × 4,997,890
4. Step 4: Simplify right side
   2,388,228x = 24,978,904,452,100
5. Step 5: Solve for x
   x = 24,978,904,452,100/2,388,228
6. Step 6: Final answer
   x = 10,459,179.13