Finding the Third Proportional to 302,287.50 and 659,835

Step by Step Solution

1. Step 1: Write the proportion equation
   302,287.50 : 659,835 = 659,835 : x
2. Step 2: Convert to fraction form
   302,287.50/659,835 = 659,835/x
3. Step 3: Cross multiply
   302,287.50x = 659,835 × 659,835
4. Step 4: Simplify right side
   302,287.50x = 435,382,227,225
5. Step 5: Solve for x
   x = 435,382,227,225/302,287.50
6. Step 6: Final answer
   x = 1,440,291.87