Finding the Third Proportional to 65,406.75 and 141,270

Step by Step Solution

1. Step 1: Write the proportion equation
   65,406.75 : 141,270 = 141,270 : x
2. Step 2: Convert to fraction form
   65,406.75/141,270 = 141,270/x
3. Step 3: Cross multiply
   65,406.75x = 141,270 × 141,270
4. Step 4: Simplify right side
   65,406.75x = 19,957,212,900
5. Step 5: Solve for x
   x = 19,957,212,900/65,406.75
6. Step 6: Final answer
   x = 305,124.67