Finding the Third Proportional to 64,960 and 141,676

Step by Step Solution

1. Step 1: Write the proportion equation
   64,960 : 141,676 = 141,676 : x
2. Step 2: Convert to fraction form
   64,960/141,676 = 141,676/x
3. Step 3: Cross multiply
   64,960x = 141,676 × 141,676
4. Step 4: Simplify right side
   64,960x = 20,072,088,976
5. Step 5: Solve for x
   x = 20,072,088,976/64,960
6. Step 6: Final answer
   x = 308,991.52