Finding the Third Proportional to 132,532 and 287,504

Step by Step Solution

1. Step 1: Write the proportion equation
   132,532 : 287,504 = 287,504 : x
2. Step 2: Convert to fraction form
   132,532/287,504 = 287,504/x
3. Step 3: Cross multiply
   132,532x = 287,504 × 287,504
4. Step 4: Simplify right side
   132,532x = 82,658,550,016
5. Step 5: Solve for x
   x = 82,658,550,016/132,532
6. Step 6: Final answer
   x = 623,687.49