Finding the Third Proportional to 8,449.50 and 13,152.75

Step by Step Solution

1. Step 1: Write the proportion equation
   8,449.50 : 13,152.75 = 13,152.75 : x
2. Step 2: Convert to fraction form
   8,449.50/13,152.75 = 13,152.75/x
3. Step 3: Cross multiply
   8,449.50x = 13,152.75 × 13,152.75
4. Step 4: Simplify right side
   8,449.50x = 172,994,832.56
5. Step 5: Solve for x
   x = 172,994,832.56/8,449.50
6. Step 6: Final answer
   x = 20,473.97