Finding the Third Proportional to 3,280,212 and 7,099,560

Step by Step Solution

1. Step 1: Write the proportion equation
   3,280,212 : 7,099,560 = 7,099,560 : x
2. Step 2: Convert to fraction form
   3,280,212/7,099,560 = 7,099,560/x
3. Step 3: Cross multiply
   3,280,212x = 7,099,560 × 7,099,560
4. Step 4: Simplify right side
   3,280,212x = 50,403,752,193,600
5. Step 5: Solve for x
   x = 50,403,752,193,600/3,280,212
6. Step 6: Final answer
   x = 15,366,004.45