Finding the Third Proportional to 4,283,658 and 9,313,812

Step by Step Solution

1. Step 1: Write the proportion equation
   4,283,658 : 9,313,812 = 9,313,812 : x
2. Step 2: Convert to fraction form
   4,283,658/9,313,812 = 9,313,812/x
3. Step 3: Cross multiply
   4,283,658x = 9,313,812 × 9,313,812
4. Step 4: Simplify right side
   4,283,658x = 86,747,093,971,344
5. Step 5: Solve for x
   x = 86,747,093,971,344/4,283,658
6. Step 6: Final answer
   x = 20,250,704.88