Finding the Third Proportional to 2,498,178 and 5,375,256

Step by Step Solution

1. Step 1: Write the proportion equation
   2,498,178 : 5,375,256 = 5,375,256 : x
2. Step 2: Convert to fraction form
   2,498,178/5,375,256 = 5,375,256/x
3. Step 3: Cross multiply
   2,498,178x = 5,375,256 × 5,375,256
4. Step 4: Simplify right side
   2,498,178x = 28,893,377,065,536
5. Step 5: Solve for x
   x = 28,893,377,065,536/2,498,178
6. Step 6: Final answer
   x = 11,565,779.97