Finding the Third Proportional to 40,216.50 and 55,363.50

Step by Step Solution

1. Step 1: Write the proportion equation
   40,216.50 : 55,363.50 = 55,363.50 : x
2. Step 2: Convert to fraction form
   40,216.50/55,363.50 = 55,363.50/x
3. Step 3: Cross multiply
   40,216.50x = 55,363.50 × 55,363.50
4. Step 4: Simplify right side
   40,216.50x = 3,065,117,132.25
5. Step 5: Solve for x
   x = 3,065,117,132.25/40,216.50
6. Step 6: Final answer
   x = 76,215.41