Finding the Third Proportional to 4,096,980 and 8,821,608

Step by Step Solution

1. Step 1: Write the proportion equation
   4,096,980 : 8,821,608 = 8,821,608 : x
2. Step 2: Convert to fraction form
   4,096,980/8,821,608 = 8,821,608/x
3. Step 3: Cross multiply
   4,096,980x = 8,821,608 × 8,821,608
4. Step 4: Simplify right side
   4,096,980x = 77,820,767,705,664
5. Step 5: Solve for x
   x = 77,820,767,705,664/4,096,980
6. Step 6: Final answer
   x = 18,994,666.24