Finding the Third Proportional to 73,900 and 158,300

Step by Step Solution

1. Step 1: Write the proportion equation
   73,900 : 158,300 = 158,300 : x
2. Step 2: Convert to fraction form
   73,900/158,300 = 158,300/x
3. Step 3: Cross multiply
   73,900x = 158,300 × 158,300
4. Step 4: Simplify right side
   73,900x = 25,058,890,000
5. Step 5: Solve for x
   x = 25,058,890,000/73,900
6. Step 6: Final answer
   x = 339,091.88