Finding the Third Proportional to 143,746 and 302,388

Step by Step Solution

1. Step 1: Write the proportion equation
   143,746 : 302,388 = 302,388 : x
2. Step 2: Convert to fraction form
   143,746/302,388 = 302,388/x
3. Step 3: Cross multiply
   143,746x = 302,388 × 302,388
4. Step 4: Simplify right side
   143,746x = 91,438,502,544
5. Step 5: Solve for x
   x = 91,438,502,544/143,746
6. Step 6: Final answer
   x = 636,111.63