Finding the Third Proportional to 4,982,560 and 10,362,661

Step by Step Solution

1. Step 1: Write the proportion equation
   4,982,560 : 10,362,661 = 10,362,661 : x
2. Step 2: Convert to fraction form
   4,982,560/10,362,661 = 10,362,661/x
3. Step 3: Cross multiply
   4,982,560x = 10,362,661 × 10,362,661
4. Step 4: Simplify right side
   4,982,560x = 107,384,743,000,921
5. Step 5: Solve for x
   x = 107,384,743,000,921/4,982,560
6. Step 6: Final answer
   x = 21,552,122.40