Finding the Third Proportional to 4,496,980 and 9,782,819

Step by Step Solution

1. Step 1: Write the proportion equation
   4,496,980 : 9,782,819 = 9,782,819 : x
2. Step 2: Convert to fraction form
   4,496,980/9,782,819 = 9,782,819/x
3. Step 3: Cross multiply
   4,496,980x = 9,782,819 × 9,782,819
4. Step 4: Simplify right side
   4,496,980x = 95,703,547,586,761
5. Step 5: Solve for x
   x = 95,703,547,586,761/4,496,980
6. Step 6: Final answer
   x = 21,281,737.43