Finding the Third Proportional to 2,591,280 and 5,348,544

Step by Step Solution

1. Step 1: Write the proportion equation
   2,591,280 : 5,348,544 = 5,348,544 : x
2. Step 2: Convert to fraction form
   2,591,280/5,348,544 = 5,348,544/x
3. Step 3: Cross multiply
   2,591,280x = 5,348,544 × 5,348,544
4. Step 4: Simplify right side
   2,591,280x = 28,606,922,919,936
5. Step 5: Solve for x
   x = 28,606,922,919,936/2,591,280
6. Step 6: Final answer
   x = 11,039,688.08