Finding the Third Proportional to 143,122 and 188,259

Step by Step Solution

1. Step 1: Write the proportion equation
   143,122 : 188,259 = 188,259 : x
2. Step 2: Convert to fraction form
   143,122/188,259 = 188,259/x
3. Step 3: Cross multiply
   143,122x = 188,259 × 188,259
4. Step 4: Simplify right side
   143,122x = 35,441,451,081
5. Step 5: Solve for x
   x = 35,441,451,081/143,122
6. Step 6: Final answer
   x = 247,631.05