Finding the Third Proportional to 4,591,578 and 10,009,884

Step by Step Solution

1. Step 1: Write the proportion equation
   4,591,578 : 10,009,884 = 10,009,884 : x
2. Step 2: Convert to fraction form
   4,591,578/10,009,884 = 10,009,884/x
3. Step 3: Cross multiply
   4,591,578x = 10,009,884 × 10,009,884
4. Step 4: Simplify right side
   4,591,578x = 100,197,777,693,456
5. Step 5: Solve for x
   x = 100,197,777,693,456/4,591,578
6. Step 6: Final answer
   x = 21,822,078.97