Finding the Third Proportional to 65,442 and 141,330

Step by Step Solution

1. Step 1: Write the proportion equation
   65,442 : 141,330 = 141,330 : x
2. Step 2: Convert to fraction form
   65,442/141,330 = 141,330/x
3. Step 3: Cross multiply
   65,442x = 141,330 × 141,330
4. Step 4: Simplify right side
   65,442x = 19,974,168,900
5. Step 5: Solve for x
   x = 19,974,168,900/65,442
6. Step 6: Final answer
   x = 305,219.41