Finding the Third Proportional to 4,311,484 and 9,388,418

Step by Step Solution

1. Step 1: Write the proportion equation
   4,311,484 : 9,388,418 = 9,388,418 : x
2. Step 2: Convert to fraction form
   4,311,484/9,388,418 = 9,388,418/x
3. Step 3: Cross multiply
   4,311,484x = 9,388,418 × 9,388,418
4. Step 4: Simplify right side
   4,311,484x = 88,142,392,542,724
5. Step 5: Solve for x
   x = 88,142,392,542,724/4,311,484
6. Step 6: Final answer
   x = 20,443,632.06