Finding the Third Proportional to 65,228 and 142,958

Step by Step Solution

1. Step 1: Write the proportion equation
   65,228 : 142,958 = 142,958 : x
2. Step 2: Convert to fraction form
   65,228/142,958 = 142,958/x
3. Step 3: Cross multiply
   65,228x = 142,958 × 142,958
4. Step 4: Simplify right side
   65,228x = 20,436,989,764
5. Step 5: Solve for x
   x = 20,436,989,764/65,228
6. Step 6: Final answer
   x = 313,316.21