Finding the Third Proportional to 2,540,549 and 5,449,486

Step by Step Solution

1. Step 1: Write the proportion equation
   2,540,549 : 5,449,486 = 5,449,486 : x
2. Step 2: Convert to fraction form
   2,540,549/5,449,486 = 5,449,486/x
3. Step 3: Cross multiply
   2,540,549x = 5,449,486 × 5,449,486
4. Step 4: Simplify right side
   2,540,549x = 29,696,897,664,196
5. Step 5: Solve for x
   x = 29,696,897,664,196/2,540,549
6. Step 6: Final answer
   x = 11,689,165.48