Finding the Third Proportional to 4,428,442 and 9,536,072

Step by Step Solution

1. Step 1: Write the proportion equation
   4,428,442 : 9,536,072 = 9,536,072 : x
2. Step 2: Convert to fraction form
   4,428,442/9,536,072 = 9,536,072/x
3. Step 3: Cross multiply
   4,428,442x = 9,536,072 × 9,536,072
4. Step 4: Simplify right side
   4,428,442x = 90,936,669,189,184
5. Step 5: Solve for x
   x = 90,936,669,189,184/4,428,442
6. Step 6: Final answer
   x = 20,534,686.73