Finding the Third Proportional to 16,404.75 and 21,736.13

Step by Step Solution

1. Step 1: Write the proportion equation
   16,404.75 : 21,736.13 = 21,736.13 : x
2. Step 2: Convert to fraction form
   16,404.75/21,736.13 = 21,736.13/x
3. Step 3: Cross multiply
   16,404.75x = 21,736.13 × 21,736.13
4. Step 4: Simplify right side
   16,404.75x = 472,459,130.02
5. Step 5: Solve for x
   x = 472,459,130.02/16,404.75
6. Step 6: Final answer
   x = 28,800.14