Finding the Third Proportional to 63,256 and 134,300

Step by Step Solution

1. Step 1: Write the proportion equation
   63,256 : 134,300 = 134,300 : x
2. Step 2: Convert to fraction form
   63,256/134,300 = 134,300/x
3. Step 3: Cross multiply
   63,256x = 134,300 × 134,300
4. Step 4: Simplify right side
   63,256x = 18,036,490,000
5. Step 5: Solve for x
   x = 18,036,490,000/63,256
6. Step 6: Final answer
   x = 285,134.85