Finding the Third Proportional to 80,716 and 187,570

Step by Step Solution

1. Step 1: Write the proportion equation
   80,716 : 187,570 = 187,570 : x
2. Step 2: Convert to fraction form
   80,716/187,570 = 187,570/x
3. Step 3: Cross multiply
   80,716x = 187,570 × 187,570
4. Step 4: Simplify right side
   80,716x = 35,182,504,900
5. Step 5: Solve for x
   x = 35,182,504,900/80,716
6. Step 6: Final answer
   x = 435,880.18