Finding the Third Proportional to 510.75 and 1,116.56

Step by Step Solution

1. Step 1: Write the proportion equation
   510.75 : 1,116.56 = 1,116.56 : x
2. Step 2: Convert to fraction form
   510.75/1,116.56 = 1,116.56/x
3. Step 3: Cross multiply
   510.75x = 1,116.56 × 1,116.56
4. Step 4: Simplify right side
   510.75x = 1,246,711.82
5. Step 5: Solve for x
   x = 1,246,711.82/510.75
6. Step 6: Final answer
   x = 2,440.94