Finding the Third Proportional to 64,383.75 and 141,846.75

Step by Step Solution

1. Step 1: Write the proportion equation
   64,383.75 : 141,846.75 = 141,846.75 : x
2. Step 2: Convert to fraction form
   64,383.75/141,846.75 = 141,846.75/x
3. Step 3: Cross multiply
   64,383.75x = 141,846.75 × 141,846.75
4. Step 4: Simplify right side
   64,383.75x = 20,120,500,485.56
5. Step 5: Solve for x
   x = 20,120,500,485.56/64,383.75
6. Step 6: Final answer
   x = 312,508.99