Finding the Third Proportional to 1,319.34 and 2,058.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,319.34 : 2,058.89 = 2,058.89 : x
2. Step 2: Convert to fraction form
   1,319.34/2,058.89 = 2,058.89/x
3. Step 3: Cross multiply
   1,319.34x = 2,058.89 × 2,058.89
4. Step 4: Simplify right side
   1,319.34x = 4,239,030.61
5. Step 5: Solve for x
   x = 4,239,030.61/1,319.34
6. Step 6: Final answer
   x = 3,212.98