Finding the Third Proportional to 4,982,520 and 10,362,581

Step by Step Solution

1. Step 1: Write the proportion equation
   4,982,520 : 10,362,581 = 10,362,581 : x
2. Step 2: Convert to fraction form
   4,982,520/10,362,581 = 10,362,581/x
3. Step 3: Cross multiply
   4,982,520x = 10,362,581 × 10,362,581
4. Step 4: Simplify right side
   4,982,520x = 107,383,084,981,561
5. Step 5: Solve for x
   x = 107,383,084,981,561/4,982,520
6. Step 6: Final answer
   x = 21,551,962.66