Finding the Third Proportional to 124,609.50 and 188,400

Step by Step Solution

1. Step 1: Write the proportion equation
   124,609.50 : 188,400 = 188,400 : x
2. Step 2: Convert to fraction form
   124,609.50/188,400 = 188,400/x
3. Step 3: Cross multiply
   124,609.50x = 188,400 × 188,400
4. Step 4: Simplify right side
   124,609.50x = 35,494,560,000
5. Step 5: Solve for x
   x = 35,494,560,000/124,609.50
6. Step 6: Final answer
   x = 284,846.34