Finding the Third Proportional to 11,064.09 and 16,688.11

Step by Step Solution

1. Step 1: Write the proportion equation
   11,064.09 : 16,688.11 = 16,688.11 : x
2. Step 2: Convert to fraction form
   11,064.09/16,688.11 = 16,688.11/x
3. Step 3: Cross multiply
   11,064.09x = 16,688.11 × 16,688.11
4. Step 4: Simplify right side
   11,064.09x = 278,492,994.51
5. Step 5: Solve for x
   x = 278,492,994.51/11,064.09
6. Step 6: Final answer
   x = 25,170.88