Finding the Third Proportional to 3,340,320 and 7,448,276

Step by Step Solution

1. Step 1: Write the proportion equation
   3,340,320 : 7,448,276 = 7,448,276 : x
2. Step 2: Convert to fraction form
   3,340,320/7,448,276 = 7,448,276/x
3. Step 3: Cross multiply
   3,340,320x = 7,448,276 × 7,448,276
4. Step 4: Simplify right side
   3,340,320x = 55,476,815,372,176
5. Step 5: Solve for x
   x = 55,476,815,372,176/3,340,320
6. Step 6: Final answer
   x = 16,608,233.75