Finding the Third Proportional to 188,890.50 and 411,012

Step by Step Solution

1. Step 1: Write the proportion equation
   188,890.50 : 411,012 = 411,012 : x
2. Step 2: Convert to fraction form
   188,890.50/411,012 = 411,012/x
3. Step 3: Cross multiply
   188,890.50x = 411,012 × 411,012
4. Step 4: Simplify right side
   188,890.50x = 168,930,864,144
5. Step 5: Solve for x
   x = 168,930,864,144/188,890.50
6. Step 6: Final answer
   x = 894,332.24