Finding the Third Proportional to 3,407,256 and 7,287,268

Step by Step Solution

1. Step 1: Write the proportion equation
   3,407,256 : 7,287,268 = 7,287,268 : x
2. Step 2: Convert to fraction form
   3,407,256/7,287,268 = 7,287,268/x
3. Step 3: Cross multiply
   3,407,256x = 7,287,268 × 7,287,268
4. Step 4: Simplify right side
   3,407,256x = 53,104,274,903,824
5. Step 5: Solve for x
   x = 53,104,274,903,824/3,407,256
6. Step 6: Final answer
   x = 15,585,642.79