Finding the Third Proportional to 619.31 and 1,150.03

Step by Step Solution

1. Step 1: Write the proportion equation
   619.31 : 1,150.03 = 1,150.03 : x
2. Step 2: Convert to fraction form
   619.31/1,150.03 = 1,150.03/x
3. Step 3: Cross multiply
   619.31x = 1,150.03 × 1,150.03
4. Step 4: Simplify right side
   619.31x = 1,322,571.88
5. Step 5: Solve for x
   x = 1,322,571.88/619.31
6. Step 6: Final answer
   x = 2,135.55