Finding the Third Proportional to 13,054.13 and 30,831.56

Step by Step Solution

1. Step 1: Write the proportion equation
   13,054.13 : 30,831.56 = 30,831.56 : x
2. Step 2: Convert to fraction form
   13,054.13/30,831.56 = 30,831.56/x
3. Step 3: Cross multiply
   13,054.13x = 30,831.56 × 30,831.56
4. Step 4: Simplify right side
   13,054.13x = 950,585,246.19
5. Step 5: Solve for x
   x = 950,585,246.19/13,054.13
6. Step 6: Final answer
   x = 72,818.76