Finding the Third Proportional to 8,062.50 and 12,458.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,062.50 : 12,458.50 = 12,458.50 : x
2. Step 2: Convert to fraction form
   8,062.50/12,458.50 = 12,458.50/x
3. Step 3: Cross multiply
   8,062.50x = 12,458.50 × 12,458.50
4. Step 4: Simplify right side
   8,062.50x = 155,214,222.25
5. Step 5: Solve for x
   x = 155,214,222.25/8,062.50
6. Step 6: Final answer
   x = 19,251.38