Finding the Third Proportional to 134,870 and 209,550

Step by Step Solution

1. Step 1: Write the proportion equation
   134,870 : 209,550 = 209,550 : x
2. Step 2: Convert to fraction form
   134,870/209,550 = 209,550/x
3. Step 3: Cross multiply
   134,870x = 209,550 × 209,550
4. Step 4: Simplify right side
   134,870x = 43,911,202,500
5. Step 5: Solve for x
   x = 43,911,202,500/134,870
6. Step 6: Final answer
   x = 325,581.69