Finding the Third Proportional to 2,554.88 and 5,272.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,554.88 : 5,272.88 = 5,272.88 : x
2. Step 2: Convert to fraction form
   2,554.88/5,272.88 = 5,272.88/x
3. Step 3: Cross multiply
   2,554.88x = 5,272.88 × 5,272.88
4. Step 4: Simplify right side
   2,554.88x = 27,803,210.77
5. Step 5: Solve for x
   x = 27,803,210.77/2,554.88
6. Step 6: Final answer
   x = 10,882.42