Finding the Third Proportional to 65,620 and 141,612

Step by Step Solution

1. Step 1: Write the proportion equation
   65,620 : 141,612 = 141,612 : x
2. Step 2: Convert to fraction form
   65,620/141,612 = 141,612/x
3. Step 3: Cross multiply
   65,620x = 141,612 × 141,612
4. Step 4: Simplify right side
   65,620x = 20,053,958,544
5. Step 5: Solve for x
   x = 20,053,958,544/65,620
6. Step 6: Final answer
   x = 305,607.41