Finding the Third Proportional to 72,831.66 and 158,902.59

Step by Step Solution

1. Step 1: Write the proportion equation
   72,831.66 : 158,902.59 = 158,902.59 : x
2. Step 2: Convert to fraction form
   72,831.66/158,902.59 = 158,902.59/x
3. Step 3: Cross multiply
   72,831.66x = 158,902.59 × 158,902.59
4. Step 4: Simplify right side
   72,831.66x = 25,250,034,300.48
5. Step 5: Solve for x
   x = 25,250,034,300.48/72,831.66
6. Step 6: Final answer
   x = 346,690.38