Finding the Third Proportional to 3,288,648 and 7,173,336

Step by Step Solution

1. Step 1: Write the proportion equation
   3,288,648 : 7,173,336 = 7,173,336 : x
2. Step 2: Convert to fraction form
   3,288,648/7,173,336 = 7,173,336/x
3. Step 3: Cross multiply
   3,288,648x = 7,173,336 × 7,173,336
4. Step 4: Simplify right side
   3,288,648x = 51,456,749,368,896
5. Step 5: Solve for x
   x = 51,456,749,368,896/3,288,648
6. Step 6: Final answer
   x = 15,646,779.27