Finding the Third Proportional to 2,377.13 and 5,554.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,377.13 : 5,554.69 = 5,554.69 : x
2. Step 2: Convert to fraction form
   2,377.13/5,554.69 = 5,554.69/x
3. Step 3: Cross multiply
   2,377.13x = 5,554.69 × 5,554.69
4. Step 4: Simplify right side
   2,377.13x = 30,854,553.22
5. Step 5: Solve for x
   x = 30,854,553.22/2,377.13
6. Step 6: Final answer
   x = 12,979.78