Finding the Third Proportional to 3,542,610 and 5,639,724

Step by Step Solution

1. Step 1: Write the proportion equation
   3,542,610 : 5,639,724 = 5,639,724 : x
2. Step 2: Convert to fraction form
   3,542,610/5,639,724 = 5,639,724/x
3. Step 3: Cross multiply
   3,542,610x = 5,639,724 × 5,639,724
4. Step 4: Simplify right side
   3,542,610x = 31,806,486,796,176
5. Step 5: Solve for x
   x = 31,806,486,796,176/3,542,610
6. Step 6: Final answer
   x = 8,978,263.71