Finding the Third Proportional to 3,340,144 and 7,276,256

Step by Step Solution

1. Step 1: Write the proportion equation
   3,340,144 : 7,276,256 = 7,276,256 : x
2. Step 2: Convert to fraction form
   3,340,144/7,276,256 = 7,276,256/x
3. Step 3: Cross multiply
   3,340,144x = 7,276,256 × 7,276,256
4. Step 4: Simplify right side
   3,340,144x = 52,943,901,377,536
5. Step 5: Solve for x
   x = 52,943,901,377,536/3,340,144
6. Step 6: Final answer
   x = 15,850,784.09