Finding the Third Proportional to 4,544,686.69 and 9,719,227.69

Step by Step Solution

1. Step 1: Write the proportion equation
   4,544,686.69 : 9,719,227.69 = 9,719,227.69 : x
2. Step 2: Convert to fraction form
   4,544,686.69/9,719,227.69 = 9,719,227.69/x
3. Step 3: Cross multiply
   4,544,686.69x = 9,719,227.69 × 9,719,227.69
4. Step 4: Simplify right side
   4,544,686.69x = 94,463,386,841,466.59
5. Step 5: Solve for x
   x = 94,463,386,841,466.59/4,544,686.69
6. Step 6: Final answer
   x = 20,785,456.37