Finding the Third Proportional to 186,146 and 388,036

Step by Step Solution

1. Step 1: Write the proportion equation
   186,146 : 388,036 = 388,036 : x
2. Step 2: Convert to fraction form
   186,146/388,036 = 388,036/x
3. Step 3: Cross multiply
   186,146x = 388,036 × 388,036
4. Step 4: Simplify right side
   186,146x = 150,571,937,296
5. Step 5: Solve for x
   x = 150,571,937,296/186,146
6. Step 6: Final answer
   x = 808,891.61