Finding the Third Proportional to 3,542,280 and 7,336,610

Step by Step Solution

1. Step 1: Write the proportion equation
   3,542,280 : 7,336,610 = 7,336,610 : x
2. Step 2: Convert to fraction form
   3,542,280/7,336,610 = 7,336,610/x
3. Step 3: Cross multiply
   3,542,280x = 7,336,610 × 7,336,610
4. Step 4: Simplify right side
   3,542,280x = 53,825,846,292,100
5. Step 5: Solve for x
   x = 53,825,846,292,100/3,542,280
6. Step 6: Final answer
   x = 15,195,254.55