Finding the Third Proportional to 9,864,964.69 and 14,498,488.69

Step by Step Solution

1. Step 1: Write the proportion equation
   9,864,964.69 : 14,498,488.69 = 14,498,488.69 : x
2. Step 2: Convert to fraction form
   9,864,964.69/14,498,488.69 = 14,498,488.69/x
3. Step 3: Cross multiply
   9,864,964.69x = 14,498,488.69 × 14,498,488.69
4. Step 4: Simplify right side
   9,864,964.69x = 210,206,174,221,565.47
5. Step 5: Solve for x
   x = 210,206,174,221,565.47/9,864,964.69
6. Step 6: Final answer
   x = 21,308,355.47