Finding the Third Proportional to 188,418 and 404,133

Step by Step Solution

1. Step 1: Write the proportion equation
   188,418 : 404,133 = 404,133 : x
2. Step 2: Convert to fraction form
   188,418/404,133 = 404,133/x
3. Step 3: Cross multiply
   188,418x = 404,133 × 404,133
4. Step 4: Simplify right side
   188,418x = 163,323,481,689
5. Step 5: Solve for x
   x = 163,323,481,689/188,418
6. Step 6: Final answer
   x = 866,814.64