Finding the Third Proportional to 39,040 and 85,150

Step by Step Solution

1. Step 1: Write the proportion equation
   39,040 : 85,150 = 85,150 : x
2. Step 2: Convert to fraction form
   39,040/85,150 = 85,150/x
3. Step 3: Cross multiply
   39,040x = 85,150 × 85,150
4. Step 4: Simplify right side
   39,040x = 7,250,522,500
5. Step 5: Solve for x
   x = 7,250,522,500/39,040
6. Step 6: Final answer
   x = 185,720.35