Finding the Third Proportional to 1,080.56 and 2,230.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,080.56 : 2,230.88 = 2,230.88 : x
2. Step 2: Convert to fraction form
   1,080.56/2,230.88 = 2,230.88/x
3. Step 3: Cross multiply
   1,080.56x = 2,230.88 × 2,230.88
4. Step 4: Simplify right side
   1,080.56x = 4,976,803.27
5. Step 5: Solve for x
   x = 4,976,803.27/1,080.56
6. Step 6: Final answer
   x = 4,605.75