Finding the Third Proportional to 667.93 and 1,434.59

Step by Step Solution

1. Step 1: Write the proportion equation
   667.93 : 1,434.59 = 1,434.59 : x
2. Step 2: Convert to fraction form
   667.93/1,434.59 = 1,434.59/x
3. Step 3: Cross multiply
   667.93x = 1,434.59 × 1,434.59
4. Step 4: Simplify right side
   667.93x = 2,058,036.81
5. Step 5: Solve for x
   x = 2,058,036.81/667.93
6. Step 6: Final answer
   x = 3,081.20