Finding the Third Proportional to 302,527.50 and 660,072

Step by Step Solution

1. Step 1: Write the proportion equation
   302,527.50 : 660,072 = 660,072 : x
2. Step 2: Convert to fraction form
   302,527.50/660,072 = 660,072/x
3. Step 3: Cross multiply
   302,527.50x = 660,072 × 660,072
4. Step 4: Simplify right side
   302,527.50x = 435,695,045,184
5. Step 5: Solve for x
   x = 435,695,045,184/302,527.50
6. Step 6: Final answer
   x = 1,440,183.27