Finding the Third Proportional to 80,611.50 and 175,560

Step by Step Solution

1. Step 1: Write the proportion equation
   80,611.50 : 175,560 = 175,560 : x
2. Step 2: Convert to fraction form
   80,611.50/175,560 = 175,560/x
3. Step 3: Cross multiply
   80,611.50x = 175,560 × 175,560
4. Step 4: Simplify right side
   80,611.50x = 30,821,313,600
5. Step 5: Solve for x
   x = 30,821,313,600/80,611.50
6. Step 6: Final answer
   x = 382,343.88