Finding the Third Proportional to 8,470.41 and 12,582.98

Step by Step Solution

1. Step 1: Write the proportion equation
   8,470.41 : 12,582.98 = 12,582.98 : x
2. Step 2: Convert to fraction form
   8,470.41/12,582.98 = 12,582.98/x
3. Step 3: Cross multiply
   8,470.41x = 12,582.98 × 12,582.98
4. Step 4: Simplify right side
   8,470.41x = 158,331,495.78
5. Step 5: Solve for x
   x = 158,331,495.78/8,470.41
6. Step 6: Final answer
   x = 18,692.31