Finding the Third Proportional to 4,231,138 and 9,302,084

Step by Step Solution

1. Step 1: Write the proportion equation
   4,231,138 : 9,302,084 = 9,302,084 : x
2. Step 2: Convert to fraction form
   4,231,138/9,302,084 = 9,302,084/x
3. Step 3: Cross multiply
   4,231,138x = 9,302,084 × 9,302,084
4. Step 4: Simplify right side
   4,231,138x = 86,528,766,743,056
5. Step 5: Solve for x
   x = 86,528,766,743,056/4,231,138
6. Step 6: Final answer
   x = 20,450,471.42