Finding the Third Proportional to 40,740 and 54,819

Step by Step Solution

1. Step 1: Write the proportion equation
   40,740 : 54,819 = 54,819 : x
2. Step 2: Convert to fraction form
   40,740/54,819 = 54,819/x
3. Step 3: Cross multiply
   40,740x = 54,819 × 54,819
4. Step 4: Simplify right side
   40,740x = 3,005,122,761
5. Step 5: Solve for x
   x = 3,005,122,761/40,740
6. Step 6: Final answer
   x = 73,763.45