Finding the Third Proportional to 21,829.25 and 45,221.75

Step by Step Solution

1. Step 1: Write the proportion equation
   21,829.25 : 45,221.75 = 45,221.75 : x
2. Step 2: Convert to fraction form
   21,829.25/45,221.75 = 45,221.75/x
3. Step 3: Cross multiply
   21,829.25x = 45,221.75 × 45,221.75
4. Step 4: Simplify right side
   21,829.25x = 2,045,006,673.06
5. Step 5: Solve for x
   x = 2,045,006,673.06/21,829.25
6. Step 6: Final answer
   x = 93,681.95