Finding the Third Proportional to 42,442 and 89,150

Step by Step Solution

1. Step 1: Write the proportion equation
   42,442 : 89,150 = 89,150 : x
2. Step 2: Convert to fraction form
   42,442/89,150 = 89,150/x
3. Step 3: Cross multiply
   42,442x = 89,150 × 89,150
4. Step 4: Simplify right side
   42,442x = 7,947,722,500
5. Step 5: Solve for x
   x = 7,947,722,500/42,442
6. Step 6: Final answer
   x = 187,260.79