Finding the Third Proportional to 4,464,468 and 9,690,012

Step by Step Solution

1. Step 1: Write the proportion equation
   4,464,468 : 9,690,012 = 9,690,012 : x
2. Step 2: Convert to fraction form
   4,464,468/9,690,012 = 9,690,012/x
3. Step 3: Cross multiply
   4,464,468x = 9,690,012 × 9,690,012
4. Step 4: Simplify right side
   4,464,468x = 93,896,332,560,144
5. Step 5: Solve for x
   x = 93,896,332,560,144/4,464,468
6. Step 6: Final answer
   x = 21,031,919.72