Finding the Third Proportional to 250.03 and 380.77

Step by Step Solution

1. Step 1: Write the proportion equation
   250.03 : 380.77 = 380.77 : x
2. Step 2: Convert to fraction form
   250.03/380.77 = 380.77/x
3. Step 3: Cross multiply
   250.03x = 380.77 × 380.77
4. Step 4: Simplify right side
   250.03x = 144,982.46
5. Step 5: Solve for x
   x = 144,982.46/250.03
6. Step 6: Final answer
   x = 579.86