Finding the Third Proportional to 134,709.75 and 196,141.50

Step by Step Solution

1. Step 1: Write the proportion equation
   134,709.75 : 196,141.50 = 196,141.50 : x
2. Step 2: Convert to fraction form
   134,709.75/196,141.50 = 196,141.50/x
3. Step 3: Cross multiply
   134,709.75x = 196,141.50 × 196,141.50
4. Step 4: Simplify right side
   134,709.75x = 38,471,488,022.25
5. Step 5: Solve for x
   x = 38,471,488,022.25/134,709.75
6. Step 6: Final answer
   x = 285,588.00