Finding the Third Proportional to 22,229.50 and 42,408.75

Step by Step Solution

1. Step 1: Write the proportion equation
   22,229.50 : 42,408.75 = 42,408.75 : x
2. Step 2: Convert to fraction form
   22,229.50/42,408.75 = 42,408.75/x
3. Step 3: Cross multiply
   22,229.50x = 42,408.75 × 42,408.75
4. Step 4: Simplify right side
   22,229.50x = 1,798,502,076.56
5. Step 5: Solve for x
   x = 1,798,502,076.56/22,229.50
6. Step 6: Final answer
   x = 80,906.10