Finding the Third Proportional to 799.88 and 1,719.38

Step by Step Solution

1. Step 1: Write the proportion equation
   799.88 : 1,719.38 = 1,719.38 : x
2. Step 2: Convert to fraction form
   799.88/1,719.38 = 1,719.38/x
3. Step 3: Cross multiply
   799.88x = 1,719.38 × 1,719.38
4. Step 4: Simplify right side
   799.88x = 2,956,250.39
5. Step 5: Solve for x
   x = 2,956,250.39/799.88
6. Step 6: Final answer
   x = 3,695.89