Finding the Third Proportional to 134,357 and 209,705.25

Step by Step Solution

1. Step 1: Write the proportion equation
   134,357 : 209,705.25 = 209,705.25 : x
2. Step 2: Convert to fraction form
   134,357/209,705.25 = 209,705.25/x
3. Step 3: Cross multiply
   134,357x = 209,705.25 × 209,705.25
4. Step 4: Simplify right side
   134,357x = 43,976,291,877.56
5. Step 5: Solve for x
   x = 43,976,291,877.56/134,357
6. Step 6: Final answer
   x = 327,309.27