Finding the Third Proportional to 82,157.25 and 168,200.25

Step by Step Solution

1. Step 1: Write the proportion equation
   82,157.25 : 168,200.25 = 168,200.25 : x
2. Step 2: Convert to fraction form
   82,157.25/168,200.25 = 168,200.25/x
3. Step 3: Cross multiply
   82,157.25x = 168,200.25 × 168,200.25
4. Step 4: Simplify right side
   82,157.25x = 28,291,324,100.06
5. Step 5: Solve for x
   x = 28,291,324,100.06/82,157.25
6. Step 6: Final answer
   x = 344,355.78