Finding the Third Proportional to 4,438,164 and 9,559,968

Step by Step Solution

1. Step 1: Write the proportion equation
   4,438,164 : 9,559,968 = 9,559,968 : x
2. Step 2: Convert to fraction form
   4,438,164/9,559,968 = 9,559,968/x
3. Step 3: Cross multiply
   4,438,164x = 9,559,968 × 9,559,968
4. Step 4: Simplify right side
   4,438,164x = 91,392,988,161,024
5. Step 5: Solve for x
   x = 91,392,988,161,024/4,438,164
6. Step 6: Final answer
   x = 20,592,521.63