Finding the Third Proportional to 88,789.50 and 195,075

Step by Step Solution

1. Step 1: Write the proportion equation
   88,789.50 : 195,075 = 195,075 : x
2. Step 2: Convert to fraction form
   88,789.50/195,075 = 195,075/x
3. Step 3: Cross multiply
   88,789.50x = 195,075 × 195,075
4. Step 4: Simplify right side
   88,789.50x = 38,054,255,625
5. Step 5: Solve for x
   x = 38,054,255,625/88,789.50
6. Step 6: Final answer
   x = 428,589.59