Finding the Third Proportional to 38,879 and 58,308

Step by Step Solution

1. Step 1: Write the proportion equation
   38,879 : 58,308 = 58,308 : x
2. Step 2: Convert to fraction form
   38,879/58,308 = 58,308/x
3. Step 3: Cross multiply
   38,879x = 58,308 × 58,308
4. Step 4: Simplify right side
   38,879x = 3,399,822,864
5. Step 5: Solve for x
   x = 3,399,822,864/38,879
6. Step 6: Final answer
   x = 87,446.25