Finding the Third Proportional to 2,660,268 and 5,509,716

Step by Step Solution

1. Step 1: Write the proportion equation
   2,660,268 : 5,509,716 = 5,509,716 : x
2. Step 2: Convert to fraction form
   2,660,268/5,509,716 = 5,509,716/x
3. Step 3: Cross multiply
   2,660,268x = 5,509,716 × 5,509,716
4. Step 4: Simplify right side
   2,660,268x = 30,356,970,400,656
5. Step 5: Solve for x
   x = 30,356,970,400,656/2,660,268
6. Step 6: Final answer
   x = 11,411,245.18