Finding the Third Proportional to 21,168 and 45,264

Step by Step Solution

1. Step 1: Write the proportion equation
   21,168 : 45,264 = 45,264 : x
2. Step 2: Convert to fraction form
   21,168/45,264 = 45,264/x
3. Step 3: Cross multiply
   21,168x = 45,264 × 45,264
4. Step 4: Simplify right side
   21,168x = 2,048,829,696
5. Step 5: Solve for x
   x = 2,048,829,696/21,168
6. Step 6: Final answer
   x = 96,789.01