Finding the Third Proportional to 602.28 and 1,319.89

Step by Step Solution

1. Step 1: Write the proportion equation
   602.28 : 1,319.89 = 1,319.89 : x
2. Step 2: Convert to fraction form
   602.28/1,319.89 = 1,319.89/x
3. Step 3: Cross multiply
   602.28x = 1,319.89 × 1,319.89
4. Step 4: Simplify right side
   602.28x = 1,742,106.11
5. Step 5: Solve for x
   x = 1,742,106.11/602.28
6. Step 6: Final answer
   x = 2,892.52