Finding the Third Proportional to 188,426 and 404,152

Step by Step Solution

1. Step 1: Write the proportion equation
   188,426 : 404,152 = 404,152 : x
2. Step 2: Convert to fraction form
   188,426/404,152 = 404,152/x
3. Step 3: Cross multiply
   188,426x = 404,152 × 404,152
4. Step 4: Simplify right side
   188,426x = 163,338,839,104
5. Step 5: Solve for x
   x = 163,338,839,104/188,426
6. Step 6: Final answer
   x = 866,859.35