Finding the Third Proportional to 72,341.86 and 111,280.71

Step by Step Solution

1. Step 1: Write the proportion equation
   72,341.86 : 111,280.71 = 111,280.71 : x
2. Step 2: Convert to fraction form
   72,341.86/111,280.71 = 111,280.71/x
3. Step 3: Cross multiply
   72,341.86x = 111,280.71 × 111,280.71
4. Step 4: Simplify right side
   72,341.86x = 12,383,396,626.76
5. Step 5: Solve for x
   x = 12,383,396,626.76/72,341.86
6. Step 6: Final answer
   x = 171,178.85