Finding the Third Proportional to 502.88 and 754.59

Step by Step Solution

1. Step 1: Write the proportion equation
   502.88 : 754.59 = 754.59 : x
2. Step 2: Convert to fraction form
   502.88/754.59 = 754.59/x
3. Step 3: Cross multiply
   502.88x = 754.59 × 754.59
4. Step 4: Simplify right side
   502.88x = 569,411.73
5. Step 5: Solve for x
   x = 569,411.73/502.88
6. Step 6: Final answer
   x = 1,132.31