Finding the Third Proportional to 40,500 and 56,649

Step by Step Solution

1. Step 1: Write the proportion equation
   40,500 : 56,649 = 56,649 : x
2. Step 2: Convert to fraction form
   40,500/56,649 = 56,649/x
3. Step 3: Cross multiply
   40,500x = 56,649 × 56,649
4. Step 4: Simplify right side
   40,500x = 3,209,109,201
5. Step 5: Solve for x
   x = 3,209,109,201/40,500
6. Step 6: Final answer
   x = 79,237.26