Finding the Third Proportional to 20,906.75 and 45,221.50

Step by Step Solution

1. Step 1: Write the proportion equation
   20,906.75 : 45,221.50 = 45,221.50 : x
2. Step 2: Convert to fraction form
   20,906.75/45,221.50 = 45,221.50/x
3. Step 3: Cross multiply
   20,906.75x = 45,221.50 × 45,221.50
4. Step 4: Simplify right side
   20,906.75x = 2,044,984,062.25
5. Step 5: Solve for x
   x = 2,044,984,062.25/20,906.75
6. Step 6: Final answer
   x = 97,814.54