Finding the Third Proportional to 371.62 and 556.72

Step by Step Solution

1. Step 1: Write the proportion equation
   371.62 : 556.72 = 556.72 : x
2. Step 2: Convert to fraction form
   371.62/556.72 = 556.72/x
3. Step 3: Cross multiply
   371.62x = 556.72 × 556.72
4. Step 4: Simplify right side
   371.62x = 309,933.59
5. Step 5: Solve for x
   x = 309,933.59/371.62
6. Step 6: Final answer
   x = 834.01