Finding the Third Proportional to 40,194.98 and 85,728.38

Step by Step Solution

1. Step 1: Write the proportion equation
   40,194.98 : 85,728.38 = 85,728.38 : x
2. Step 2: Convert to fraction form
   40,194.98/85,728.38 = 85,728.38/x
3. Step 3: Cross multiply
   40,194.98x = 85,728.38 × 85,728.38
4. Step 4: Simplify right side
   40,194.98x = 7,349,354,280.14
5. Step 5: Solve for x
   x = 7,349,354,280.14/40,194.98
6. Step 6: Final answer
   x = 182,842.57