Finding the Third Proportional to 227,715 and 334,189.50

Step by Step Solution

1. Step 1: Write the proportion equation
   227,715 : 334,189.50 = 334,189.50 : x
2. Step 2: Convert to fraction form
   227,715/334,189.50 = 334,189.50/x
3. Step 3: Cross multiply
   227,715x = 334,189.50 × 334,189.50
4. Step 4: Simplify right side
   227,715x = 111,682,621,910.25
5. Step 5: Solve for x
   x = 111,682,621,910.25/227,715
6. Step 6: Final answer
   x = 490,449.12