Finding the Third Proportional to 21,135 and 45,268.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,135 : 45,268.50 = 45,268.50 : x
2. Step 2: Convert to fraction form
   21,135/45,268.50 = 45,268.50/x
3. Step 3: Cross multiply
   21,135x = 45,268.50 × 45,268.50
4. Step 4: Simplify right side
   21,135x = 2,049,237,092.25
5. Step 5: Solve for x
   x = 2,049,237,092.25/21,135
6. Step 6: Final answer
   x = 96,959.41