Finding the Third Proportional to 4,464,442 and 9,689,960

Step by Step Solution

1. Step 1: Write the proportion equation
   4,464,442 : 9,689,960 = 9,689,960 : x
2. Step 2: Convert to fraction form
   4,464,442/9,689,960 = 9,689,960/x
3. Step 3: Cross multiply
   4,464,442x = 9,689,960 × 9,689,960
4. Step 4: Simplify right side
   4,464,442x = 93,895,324,801,600
5. Step 5: Solve for x
   x = 93,895,324,801,600/4,464,442
6. Step 6: Final answer
   x = 21,031,816.47