Finding the Third Proportional to 40,066.31 and 85,691.25

Step by Step Solution

1. Step 1: Write the proportion equation
   40,066.31 : 85,691.25 = 85,691.25 : x
2. Step 2: Convert to fraction form
   40,066.31/85,691.25 = 85,691.25/x
3. Step 3: Cross multiply
   40,066.31x = 85,691.25 × 85,691.25
4. Step 4: Simplify right side
   40,066.31x = 7,342,990,326.56
5. Step 5: Solve for x
   x = 7,342,990,326.56/40,066.31
6. Step 6: Final answer
   x = 183,270.93