Finding the Third Proportional to 210,986 and 301,494

Step by Step Solution

1. Step 1: Write the proportion equation
   210,986 : 301,494 = 301,494 : x
2. Step 2: Convert to fraction form
   210,986/301,494 = 301,494/x
3. Step 3: Cross multiply
   210,986x = 301,494 × 301,494
4. Step 4: Simplify right side
   210,986x = 90,898,632,036
5. Step 5: Solve for x
   x = 90,898,632,036/210,986
6. Step 6: Final answer
   x = 430,827.79