Finding the Third Proportional to 21,384,608 and 30,897,072

Step by Step Solution

1. Step 1: Write the proportion equation
   21,384,608 : 30,897,072 = 30,897,072 : x
2. Step 2: Convert to fraction form
   21,384,608/30,897,072 = 30,897,072/x
3. Step 3: Cross multiply
   21,384,608x = 30,897,072 × 30,897,072
4. Step 4: Simplify right side
   21,384,608x = 954,629,058,173,184
5. Step 5: Solve for x
   x = 954,629,058,173,184/21,384,608
6. Step 6: Final answer
   x = 44,640,942.60