Finding the Third Proportional to 72,408.94 and 111,466.13

Step by Step Solution

1. Step 1: Write the proportion equation
   72,408.94 : 111,466.13 = 111,466.13 : x
2. Step 2: Convert to fraction form
   72,408.94/111,466.13 = 111,466.13/x
3. Step 3: Cross multiply
   72,408.94x = 111,466.13 × 111,466.13
4. Step 4: Simplify right side
   72,408.94x = 12,424,697,022.52
5. Step 5: Solve for x
   x = 12,424,697,022.52/72,408.94
6. Step 6: Final answer
   x = 171,590.66