Finding the Third Proportional to 4,438,162 and 9,559,964

Step by Step Solution

1. Step 1: Write the proportion equation
   4,438,162 : 9,559,964 = 9,559,964 : x
2. Step 2: Convert to fraction form
   4,438,162/9,559,964 = 9,559,964/x
3. Step 3: Cross multiply
   4,438,162x = 9,559,964 × 9,559,964
4. Step 4: Simplify right side
   4,438,162x = 91,392,911,681,296
5. Step 5: Solve for x
   x = 91,392,911,681,296/4,438,162
6. Step 6: Final answer
   x = 20,592,513.68