Finding the Third Proportional to 39,123 and 58,872

Step by Step Solution

1. Step 1: Write the proportion equation
   39,123 : 58,872 = 58,872 : x
2. Step 2: Convert to fraction form
   39,123/58,872 = 58,872/x
3. Step 3: Cross multiply
   39,123x = 58,872 × 58,872
4. Step 4: Simplify right side
   39,123x = 3,465,912,384
5. Step 5: Solve for x
   x = 3,465,912,384/39,123
6. Step 6: Final answer
   x = 88,590.15