Finding the Third Proportional to 2,415,228 and 5,118,420

Step by Step Solution

1. Step 1: Write the proportion equation
   2,415,228 : 5,118,420 = 5,118,420 : x
2. Step 2: Convert to fraction form
   2,415,228/5,118,420 = 5,118,420/x
3. Step 3: Cross multiply
   2,415,228x = 5,118,420 × 5,118,420
4. Step 4: Simplify right side
   2,415,228x = 26,198,223,296,400
5. Step 5: Solve for x
   x = 26,198,223,296,400/2,415,228
6. Step 6: Final answer
   x = 10,847,101.51