Finding the Third Proportional to 4,311,495 and 9,388,443

Step by Step Solution

1. Step 1: Write the proportion equation
   4,311,495 : 9,388,443 = 9,388,443 : x
2. Step 2: Convert to fraction form
   4,311,495/9,388,443 = 9,388,443/x
3. Step 3: Cross multiply
   4,311,495x = 9,388,443 × 9,388,443
4. Step 4: Simplify right side
   4,311,495x = 88,142,861,964,249
5. Step 5: Solve for x
   x = 88,142,861,964,249/4,311,495
6. Step 6: Final answer
   x = 20,443,688.78