Finding the Third Proportional to 1,058 and 1,988

Step by Step Solution

1. Step 1: Write the proportion equation
   1,058 : 1,988 = 1,988 : x
2. Step 2: Convert to fraction form
   1,058/1,988 = 1,988/x
3. Step 3: Cross multiply
   1,058x = 1,988 × 1,988
4. Step 4: Simplify right side
   1,058x = 3,952,144
5. Step 5: Solve for x
   x = 3,952,144/1,058
6. Step 6: Final answer
   x = 3,735.49