Finding the Third Proportional to 81,469.50 and 122,724

Step by Step Solution

1. Step 1: Write the proportion equation
   81,469.50 : 122,724 = 122,724 : x
2. Step 2: Convert to fraction form
   81,469.50/122,724 = 122,724/x
3. Step 3: Cross multiply
   81,469.50x = 122,724 × 122,724
4. Step 4: Simplify right side
   81,469.50x = 15,061,180,176
5. Step 5: Solve for x
   x = 15,061,180,176/81,469.50
6. Step 6: Final answer
   x = 184,868.94