Finding the Third Proportional to 80,700 and 187,530

Step by Step Solution

1. Step 1: Write the proportion equation
   80,700 : 187,530 = 187,530 : x
2. Step 2: Convert to fraction form
   80,700/187,530 = 187,530/x
3. Step 3: Cross multiply
   80,700x = 187,530 × 187,530
4. Step 4: Simplify right side
   80,700x = 35,167,500,900
5. Step 5: Solve for x
   x = 35,167,500,900/80,700
6. Step 6: Final answer
   x = 435,780.68