Finding the Third Proportional to 65,674 and 142,356

Step by Step Solution

1. Step 1: Write the proportion equation
   65,674 : 142,356 = 142,356 : x
2. Step 2: Convert to fraction form
   65,674/142,356 = 142,356/x
3. Step 3: Cross multiply
   65,674x = 142,356 × 142,356
4. Step 4: Simplify right side
   65,674x = 20,265,230,736
5. Step 5: Solve for x
   x = 20,265,230,736/65,674
6. Step 6: Final answer
   x = 308,573.11