Finding the Third Proportional to 2,678.06 and 5,598.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,678.06 : 5,598.56 = 5,598.56 : x
2. Step 2: Convert to fraction form
   2,678.06/5,598.56 = 5,598.56/x
3. Step 3: Cross multiply
   2,678.06x = 5,598.56 × 5,598.56
4. Step 4: Simplify right side
   2,678.06x = 31,343,902.07
5. Step 5: Solve for x
   x = 31,343,902.07/2,678.06
6. Step 6: Final answer
   x = 11,703.95