Finding the Third Proportional to 143,536.50 and 335,259

Step by Step Solution

1. Step 1: Write the proportion equation
   143,536.50 : 335,259 = 335,259 : x
2. Step 2: Convert to fraction form
   143,536.50/335,259 = 335,259/x
3. Step 3: Cross multiply
   143,536.50x = 335,259 × 335,259
4. Step 4: Simplify right side
   143,536.50x = 112,398,597,081
5. Step 5: Solve for x
   x = 112,398,597,081/143,536.50
6. Step 6: Final answer
   x = 783,066.31