Finding the Third Proportional to 2,488,322 and 5,458,756

Step by Step Solution

1. Step 1: Write the proportion equation
   2,488,322 : 5,458,756 = 5,458,756 : x
2. Step 2: Convert to fraction form
   2,488,322/5,458,756 = 5,458,756/x
3. Step 3: Cross multiply
   2,488,322x = 5,458,756 × 5,458,756
4. Step 4: Simplify right side
   2,488,322x = 29,798,017,067,536
5. Step 5: Solve for x
   x = 29,798,017,067,536/2,488,322
6. Step 6: Final answer
   x = 11,975,145.12