Finding the Third Proportional to 10,479 and 13,276.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,479 : 13,276.50 = 13,276.50 : x
2. Step 2: Convert to fraction form
   10,479/13,276.50 = 13,276.50/x
3. Step 3: Cross multiply
   10,479x = 13,276.50 × 13,276.50
4. Step 4: Simplify right side
   10,479x = 176,265,452.25
5. Step 5: Solve for x
   x = 176,265,452.25/10,479
6. Step 6: Final answer
   x = 16,820.83