Finding the Third Proportional to 4,428,450 and 9,536,086

Step by Step Solution

1. Step 1: Write the proportion equation
   4,428,450 : 9,536,086 = 9,536,086 : x
2. Step 2: Convert to fraction form
   4,428,450/9,536,086 = 9,536,086/x
3. Step 3: Cross multiply
   4,428,450x = 9,536,086 × 9,536,086
4. Step 4: Simplify right side
   4,428,450x = 90,936,936,199,396
5. Step 5: Solve for x
   x = 90,936,936,199,396/4,428,450
6. Step 6: Final answer
   x = 20,534,709.93