Finding the Third Proportional to 12,558 and 14,380.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,558 : 14,380.50 = 14,380.50 : x
2. Step 2: Convert to fraction form
   12,558/14,380.50 = 14,380.50/x
3. Step 3: Cross multiply
   12,558x = 14,380.50 × 14,380.50
4. Step 4: Simplify right side
   12,558x = 206,798,780.25
5. Step 5: Solve for x
   x = 206,798,780.25/12,558
6. Step 6: Final answer
   x = 16,467.49