Finding the Third Proportional to 71,831.25 and 113,685.38

Step by Step Solution

1. Step 1: Write the proportion equation
   71,831.25 : 113,685.38 = 113,685.38 : x
2. Step 2: Convert to fraction form
   71,831.25/113,685.38 = 113,685.38/x
3. Step 3: Cross multiply
   71,831.25x = 113,685.38 × 113,685.38
4. Step 4: Simplify right side
   71,831.25x = 12,924,364,488.89
5. Step 5: Solve for x
   x = 12,924,364,488.89/71,831.25
6. Step 6: Final answer
   x = 179,926.77