Finding the Third Proportional to 190,150 and 282,308

Step by Step Solution

1. Step 1: Write the proportion equation
   190,150 : 282,308 = 282,308 : x
2. Step 2: Convert to fraction form
   190,150/282,308 = 282,308/x
3. Step 3: Cross multiply
   190,150x = 282,308 × 282,308
4. Step 4: Simplify right side
   190,150x = 79,697,806,864
5. Step 5: Solve for x
   x = 79,697,806,864/190,150
6. Step 6: Final answer
   x = 419,131.25