Finding the Third Proportional to 16,254 and 21,369

Step by Step Solution

1. Step 1: Write the proportion equation
   16,254 : 21,369 = 21,369 : x
2. Step 2: Convert to fraction form
   16,254/21,369 = 21,369/x
3. Step 3: Cross multiply
   16,254x = 21,369 × 21,369
4. Step 4: Simplify right side
   16,254x = 456,634,161
5. Step 5: Solve for x
   x = 456,634,161/16,254
6. Step 6: Final answer
   x = 28,093.65