Finding the Third Proportional to 302,890.50 and 660,795

Step by Step Solution

1. Step 1: Write the proportion equation
   302,890.50 : 660,795 = 660,795 : x
2. Step 2: Convert to fraction form
   302,890.50/660,795 = 660,795/x
3. Step 3: Cross multiply
   302,890.50x = 660,795 × 660,795
4. Step 4: Simplify right side
   302,890.50x = 436,650,032,025
5. Step 5: Solve for x
   x = 436,650,032,025/302,890.50
6. Step 6: Final answer
   x = 1,441,610.19