Finding the Third Proportional to 4,320,440 and 9,454,576

Step by Step Solution

1. Step 1: Write the proportion equation
   4,320,440 : 9,454,576 = 9,454,576 : x
2. Step 2: Convert to fraction form
   4,320,440/9,454,576 = 9,454,576/x
3. Step 3: Cross multiply
   4,320,440x = 9,454,576 × 9,454,576
4. Step 4: Simplify right side
   4,320,440x = 89,389,007,339,776
5. Step 5: Solve for x
   x = 89,389,007,339,776/4,320,440
6. Step 6: Final answer
   x = 20,689,792.55