Finding the Third Proportional to 3,728,608 and 8,168,632

Step by Step Solution

1. Step 1: Write the proportion equation
   3,728,608 : 8,168,632 = 8,168,632 : x
2. Step 2: Convert to fraction form
   3,728,608/8,168,632 = 8,168,632/x
3. Step 3: Cross multiply
   3,728,608x = 8,168,632 × 8,168,632
4. Step 4: Simplify right side
   3,728,608x = 66,726,548,751,424
5. Step 5: Solve for x
   x = 66,726,548,751,424/3,728,608
6. Step 6: Final answer
   x = 17,895,833.71