Finding the Third Proportional to 15,408.75 and 22,018.50

Step by Step Solution

1. Step 1: Write the proportion equation
   15,408.75 : 22,018.50 = 22,018.50 : x
2. Step 2: Convert to fraction form
   15,408.75/22,018.50 = 22,018.50/x
3. Step 3: Cross multiply
   15,408.75x = 22,018.50 × 22,018.50
4. Step 4: Simplify right side
   15,408.75x = 484,814,342.25
5. Step 5: Solve for x
   x = 484,814,342.25/15,408.75
6. Step 6: Final answer
   x = 31,463.57