Finding the Third Proportional to 40,040.89 and 85,959.35

Step by Step Solution

1. Step 1: Write the proportion equation
   40,040.89 : 85,959.35 = 85,959.35 : x
2. Step 2: Convert to fraction form
   40,040.89/85,959.35 = 85,959.35/x
3. Step 3: Cross multiply
   40,040.89x = 85,959.35 × 85,959.35
4. Step 4: Simplify right side
   40,040.89x = 7,389,010,121.04
5. Step 5: Solve for x
   x = 7,389,010,121.04/40,040.89
6. Step 6: Final answer
   x = 184,536.59