Finding the Third Proportional to 12,370.50 and 16,458.75

Step by Step Solution

1. Step 1: Write the proportion equation
   12,370.50 : 16,458.75 = 16,458.75 : x
2. Step 2: Convert to fraction form
   12,370.50/16,458.75 = 16,458.75/x
3. Step 3: Cross multiply
   12,370.50x = 16,458.75 × 16,458.75
4. Step 4: Simplify right side
   12,370.50x = 270,890,451.56
5. Step 5: Solve for x
   x = 270,890,451.56/12,370.50
6. Step 6: Final answer
   x = 21,898.10