Finding the Third Proportional to 132,968.25 and 288,090

Step by Step Solution

1. Step 1: Write the proportion equation
   132,968.25 : 288,090 = 288,090 : x
2. Step 2: Convert to fraction form
   132,968.25/288,090 = 288,090/x
3. Step 3: Cross multiply
   132,968.25x = 288,090 × 288,090
4. Step 4: Simplify right side
   132,968.25x = 82,995,848,100
5. Step 5: Solve for x
   x = 82,995,848,100/132,968.25
6. Step 6: Final answer
   x = 624,177.94