Finding the Third Proportional to 2,540,543 and 5,449,474

Step by Step Solution

1. Step 1: Write the proportion equation
   2,540,543 : 5,449,474 = 5,449,474 : x
2. Step 2: Convert to fraction form
   2,540,543/5,449,474 = 5,449,474/x
3. Step 3: Cross multiply
   2,540,543x = 5,449,474 × 5,449,474
4. Step 4: Simplify right side
   2,540,543x = 29,696,766,876,676
5. Step 5: Solve for x
   x = 29,696,766,876,676/2,540,543
6. Step 6: Final answer
   x = 11,689,141.60