Finding the Third Proportional to 65,401.25 and 141,256

Step by Step Solution

1. Step 1: Write the proportion equation
   65,401.25 : 141,256 = 141,256 : x
2. Step 2: Convert to fraction form
   65,401.25/141,256 = 141,256/x
3. Step 3: Cross multiply
   65,401.25x = 141,256 × 141,256
4. Step 4: Simplify right side
   65,401.25x = 19,953,257,536
5. Step 5: Solve for x
   x = 19,953,257,536/65,401.25
6. Step 6: Final answer
   x = 305,089.85