Finding the Third Proportional to 12,416.06 and 18,910.69

Step by Step Solution

1. Step 1: Write the proportion equation
   12,416.06 : 18,910.69 = 18,910.69 : x
2. Step 2: Convert to fraction form
   12,416.06/18,910.69 = 18,910.69/x
3. Step 3: Cross multiply
   12,416.06x = 18,910.69 × 18,910.69
4. Step 4: Simplify right side
   12,416.06x = 357,614,101.72
5. Step 5: Solve for x
   x = 357,614,101.72/12,416.06
6. Step 6: Final answer
   x = 28,802.54