Finding the Third Proportional to 1,098.56 and 2,340.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,098.56 : 2,340.56 = 2,340.56 : x
2. Step 2: Convert to fraction form
   1,098.56/2,340.56 = 2,340.56/x
3. Step 3: Cross multiply
   1,098.56x = 2,340.56 × 2,340.56
4. Step 4: Simplify right side
   1,098.56x = 5,478,232.82
5. Step 5: Solve for x
   x = 5,478,232.82/1,098.56
6. Step 6: Final answer
   x = 4,986.73