Finding the Third Proportional to 34.31 and 49.88

Step by Step Solution

1. Step 1: Write the proportion equation
   34.31 : 49.88 = 49.88 : x
2. Step 2: Convert to fraction form
   34.31/49.88 = 49.88/x
3. Step 3: Cross multiply
   34.31x = 49.88 × 49.88
4. Step 4: Simplify right side
   34.31x = 2,487.52
5. Step 5: Solve for x
   x = 2,487.52/34.31
6. Step 6: Final answer
   x = 72.50