Finding the Third Proportional to 1,054.69 and 2,291.63

Step by Step Solution

1. Step 1: Write the proportion equation
   1,054.69 : 2,291.63 = 2,291.63 : x
2. Step 2: Convert to fraction form
   1,054.69/2,291.63 = 2,291.63/x
3. Step 3: Cross multiply
   1,054.69x = 2,291.63 × 2,291.63
4. Step 4: Simplify right side
   1,054.69x = 5,251,545.14
5. Step 5: Solve for x
   x = 5,251,545.14/1,054.69
6. Step 6: Final answer
   x = 4,979.24