Finding the Third Proportional to 94,879 and 142,940

Step by Step Solution

1. Step 1: Write the proportion equation
   94,879 : 142,940 = 142,940 : x
2. Step 2: Convert to fraction form
   94,879/142,940 = 142,940/x
3. Step 3: Cross multiply
   94,879x = 142,940 × 142,940
4. Step 4: Simplify right side
   94,879x = 20,431,843,600
5. Step 5: Solve for x
   x = 20,431,843,600/94,879
6. Step 6: Final answer
   x = 215,346.32