Finding the Third Proportional to 184.13 and 397.59

Step by Step Solution

1. Step 1: Write the proportion equation
   184.13 : 397.59 = 397.59 : x
2. Step 2: Convert to fraction form
   184.13/397.59 = 397.59/x
3. Step 3: Cross multiply
   184.13x = 397.59 × 397.59
4. Step 4: Simplify right side
   184.13x = 158,080.79
5. Step 5: Solve for x
   x = 158,080.79/184.13
6. Step 6: Final answer
   x = 858.55