Finding the Third Proportional to 3,542,688 and 5,500,670

Step by Step Solution

1. Step 1: Write the proportion equation
   3,542,688 : 5,500,670 = 5,500,670 : x
2. Step 2: Convert to fraction form
   3,542,688/5,500,670 = 5,500,670/x
3. Step 3: Cross multiply
   3,542,688x = 5,500,670 × 5,500,670
4. Step 4: Simplify right side
   3,542,688x = 30,257,370,448,900
5. Step 5: Solve for x
   x = 30,257,370,448,900/3,542,688
6. Step 6: Final answer
   x = 8,540,794.57