Finding the Third Proportional to 21,144 and 45,103.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,144 : 45,103.50 = 45,103.50 : x
2. Step 2: Convert to fraction form
   21,144/45,103.50 = 45,103.50/x
3. Step 3: Cross multiply
   21,144x = 45,103.50 × 45,103.50
4. Step 4: Simplify right side
   21,144x = 2,034,325,712.25
5. Step 5: Solve for x
   x = 2,034,325,712.25/21,144
6. Step 6: Final answer
   x = 96,212.91