Finding the Third Proportional to 85.13 and 192.56

Step by Step Solution

1. Step 1: Write the proportion equation
   85.13 : 192.56 = 192.56 : x
2. Step 2: Convert to fraction form
   85.13/192.56 = 192.56/x
3. Step 3: Cross multiply
   85.13x = 192.56 × 192.56
4. Step 4: Simplify right side
   85.13x = 37,080.32
5. Step 5: Solve for x
   x = 37,080.32/85.13
6. Step 6: Final answer
   x = 435.60