Finding the Third Proportional to 3,323,280 and 7,229,760

Step by Step Solution

1. Step 1: Write the proportion equation
   3,323,280 : 7,229,760 = 7,229,760 : x
2. Step 2: Convert to fraction form
   3,323,280/7,229,760 = 7,229,760/x
3. Step 3: Cross multiply
   3,323,280x = 7,229,760 × 7,229,760
4. Step 4: Simplify right side
   3,323,280x = 52,269,429,657,600
5. Step 5: Solve for x
   x = 52,269,429,657,600/3,323,280
6. Step 6: Final answer
   x = 15,728,265.35