Finding the Third Proportional to 132,969 and 288,091.50

Step by Step Solution

1. Step 1: Write the proportion equation
   132,969 : 288,091.50 = 288,091.50 : x
2. Step 2: Convert to fraction form
   132,969/288,091.50 = 288,091.50/x
3. Step 3: Cross multiply
   132,969x = 288,091.50 × 288,091.50
4. Step 4: Simplify right side
   132,969x = 82,996,712,372.25
5. Step 5: Solve for x
   x = 82,996,712,372.25/132,969
6. Step 6: Final answer
   x = 624,180.92