Finding the Third Proportional to 1,159.31 and 1,662.19

Step by Step Solution

1. Step 1: Write the proportion equation
   1,159.31 : 1,662.19 = 1,662.19 : x
2. Step 2: Convert to fraction form
   1,159.31/1,662.19 = 1,662.19/x
3. Step 3: Cross multiply
   1,159.31x = 1,662.19 × 1,662.19
4. Step 4: Simplify right side
   1,159.31x = 2,762,867.29
5. Step 5: Solve for x
   x = 2,762,867.29/1,159.31
6. Step 6: Final answer
   x = 2,383.19