Finding the Third Proportional to 1,058.91 and 1,375.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,058.91 : 1,375.73 = 1,375.73 : x
2. Step 2: Convert to fraction form
   1,058.91/1,375.73 = 1,375.73/x
3. Step 3: Cross multiply
   1,058.91x = 1,375.73 × 1,375.73
4. Step 4: Simplify right side
   1,058.91x = 1,892,645.07
5. Step 5: Solve for x
   x = 1,892,645.07/1,058.91
6. Step 6: Final answer
   x = 1,787.36