Finding the Third Proportional to 12,555 and 24,799.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,555 : 24,799.50 = 24,799.50 : x
2. Step 2: Convert to fraction form
   12,555/24,799.50 = 24,799.50/x
3. Step 3: Cross multiply
   12,555x = 24,799.50 × 24,799.50
4. Step 4: Simplify right side
   12,555x = 615,015,200.25
5. Step 5: Solve for x
   x = 615,015,200.25/12,555
6. Step 6: Final answer
   x = 48,985.68