Finding the Third Proportional to 2,488,336 and 5,458,780

Step by Step Solution

1. Step 1: Write the proportion equation
   2,488,336 : 5,458,780 = 5,458,780 : x
2. Step 2: Convert to fraction form
   2,488,336/5,458,780 = 5,458,780/x
3. Step 3: Cross multiply
   2,488,336x = 5,458,780 × 5,458,780
4. Step 4: Simplify right side
   2,488,336x = 29,798,279,088,400
5. Step 5: Solve for x
   x = 29,798,279,088,400/2,488,336
6. Step 6: Final answer
   x = 11,975,183.05