Finding the Third Proportional to 13,419 and 28,684.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,419 : 28,684.50 = 28,684.50 : x
2. Step 2: Convert to fraction form
   13,419/28,684.50 = 28,684.50/x
3. Step 3: Cross multiply
   13,419x = 28,684.50 × 28,684.50
4. Step 4: Simplify right side
   13,419x = 822,800,540.25
5. Step 5: Solve for x
   x = 822,800,540.25/13,419
6. Step 6: Final answer
   x = 61,316.08