Finding the Third Proportional to 132,452.50 and 288,550

Step by Step Solution

1. Step 1: Write the proportion equation
   132,452.50 : 288,550 = 288,550 : x
2. Step 2: Convert to fraction form
   132,452.50/288,550 = 288,550/x
3. Step 3: Cross multiply
   132,452.50x = 288,550 × 288,550
4. Step 4: Simplify right side
   132,452.50x = 83,261,102,500
5. Step 5: Solve for x
   x = 83,261,102,500/132,452.50
6. Step 6: Final answer
   x = 628,611.03