Finding the Third Proportional to 12,670.17 and 16,436.67

Step by Step Solution

1. Step 1: Write the proportion equation
   12,670.17 : 16,436.67 = 16,436.67 : x
2. Step 2: Convert to fraction form
   12,670.17/16,436.67 = 16,436.67/x
3. Step 3: Cross multiply
   12,670.17x = 16,436.67 × 16,436.67
4. Step 4: Simplify right side
   12,670.17x = 270,164,182.33
5. Step 5: Solve for x
   x = 270,164,182.33/12,670.17
6. Step 6: Final answer
   x = 21,322.85