Finding the Third Proportional to 53.91 and 127.22

Step by Step Solution

1. Step 1: Write the proportion equation
   53.91 : 127.22 = 127.22 : x
2. Step 2: Convert to fraction form
   53.91/127.22 = 127.22/x
3. Step 3: Cross multiply
   53.91x = 127.22 × 127.22
4. Step 4: Simplify right side
   53.91x = 16,184.61
5. Step 5: Solve for x
   x = 16,184.61/53.91
6. Step 6: Final answer
   x = 300.24