Finding the Third Proportional to 4,317,318 and 9,503,928

Step by Step Solution

1. Step 1: Write the proportion equation
   4,317,318 : 9,503,928 = 9,503,928 : x
2. Step 2: Convert to fraction form
   4,317,318/9,503,928 = 9,503,928/x
3. Step 3: Cross multiply
   4,317,318x = 9,503,928 × 9,503,928
4. Step 4: Simplify right side
   4,317,318x = 90,324,647,429,184
5. Step 5: Solve for x
   x = 90,324,647,429,184/4,317,318
6. Step 6: Final answer
   x = 20,921,471.95