Finding the Third Proportional to 8,058 and 12,601.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,058 : 12,601.50 = 12,601.50 : x
2. Step 2: Convert to fraction form
   8,058/12,601.50 = 12,601.50/x
3. Step 3: Cross multiply
   8,058x = 12,601.50 × 12,601.50
4. Step 4: Simplify right side
   8,058x = 158,797,802.25
5. Step 5: Solve for x
   x = 158,797,802.25/8,058
6. Step 6: Final answer
   x = 19,706.85