Finding the Third Proportional to 21,192 and 28,254

Step by Step Solution

1. Step 1: Write the proportion equation
   21,192 : 28,254 = 28,254 : x
2. Step 2: Convert to fraction form
   21,192/28,254 = 28,254/x
3. Step 3: Cross multiply
   21,192x = 28,254 × 28,254
4. Step 4: Simplify right side
   21,192x = 798,288,516
5. Step 5: Solve for x
   x = 798,288,516/21,192
6. Step 6: Final answer
   x = 37,669.33