Finding the Third Proportional to 188,683 and 282,996.50

Step by Step Solution

1. Step 1: Write the proportion equation
   188,683 : 282,996.50 = 282,996.50 : x
2. Step 2: Convert to fraction form
   188,683/282,996.50 = 282,996.50/x
3. Step 3: Cross multiply
   188,683x = 282,996.50 × 282,996.50
4. Step 4: Simplify right side
   188,683x = 80,087,019,012.25
5. Step 5: Solve for x
   x = 80,087,019,012.25/188,683
6. Step 6: Final answer
   x = 424,452.75