Finding the Third Proportional to 4,483,236 and 9,728,552

Step by Step Solution

1. Step 1: Write the proportion equation
   4,483,236 : 9,728,552 = 9,728,552 : x
2. Step 2: Convert to fraction form
   4,483,236/9,728,552 = 9,728,552/x
3. Step 3: Cross multiply
   4,483,236x = 9,728,552 × 9,728,552
4. Step 4: Simplify right side
   4,483,236x = 94,644,724,016,704
5. Step 5: Solve for x
   x = 94,644,724,016,704/4,483,236
6. Step 6: Final answer
   x = 21,110,805.68