Finding the Third Proportional to 2,491,818 and 5,455,380

Step by Step Solution

1. Step 1: Write the proportion equation
   2,491,818 : 5,455,380 = 5,455,380 : x
2. Step 2: Convert to fraction form
   2,491,818/5,455,380 = 5,455,380/x
3. Step 3: Cross multiply
   2,491,818x = 5,455,380 × 5,455,380
4. Step 4: Simplify right side
   2,491,818x = 29,761,170,944,400
5. Step 5: Solve for x
   x = 29,761,170,944,400/2,491,818
6. Step 6: Final answer
   x = 11,943,557.25