Finding the Third Proportional to 4,055,976 and 8,812,608

Step by Step Solution

1. Step 1: Write the proportion equation
   4,055,976 : 8,812,608 = 8,812,608 : x
2. Step 2: Convert to fraction form
   4,055,976/8,812,608 = 8,812,608/x
3. Step 3: Cross multiply
   4,055,976x = 8,812,608 × 8,812,608
4. Step 4: Simplify right side
   4,055,976x = 77,662,059,761,664
5. Step 5: Solve for x
   x = 77,662,059,761,664/4,055,976
6. Step 6: Final answer
   x = 19,147,563.93