Finding the Third Proportional to 2,877,228 and 4,222,530

Step by Step Solution

1. Step 1: Write the proportion equation
   2,877,228 : 4,222,530 = 4,222,530 : x
2. Step 2: Convert to fraction form
   2,877,228/4,222,530 = 4,222,530/x
3. Step 3: Cross multiply
   2,877,228x = 4,222,530 × 4,222,530
4. Step 4: Simplify right side
   2,877,228x = 17,829,759,600,900
5. Step 5: Solve for x
   x = 17,829,759,600,900/2,877,228
6. Step 6: Final answer
   x = 6,196,853.22