Finding the Third Proportional to 13,851 and 30,550.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,851 : 30,550.50 = 30,550.50 : x
2. Step 2: Convert to fraction form
   13,851/30,550.50 = 30,550.50/x
3. Step 3: Cross multiply
   13,851x = 30,550.50 × 30,550.50
4. Step 4: Simplify right side
   13,851x = 933,333,050.25
5. Step 5: Solve for x
   x = 933,333,050.25/13,851
6. Step 6: Final answer
   x = 67,383.80