Finding the Third Proportional to 134,600 and 209,012

Step by Step Solution

1. Step 1: Write the proportion equation
   134,600 : 209,012 = 209,012 : x
2. Step 2: Convert to fraction form
   134,600/209,012 = 209,012/x
3. Step 3: Cross multiply
   134,600x = 209,012 × 209,012
4. Step 4: Simplify right side
   134,600x = 43,686,016,144
5. Step 5: Solve for x
   x = 43,686,016,144/134,600
6. Step 6: Final answer
   x = 324,561.78