Finding the Third Proportional to 40,798 and 54,912

Step by Step Solution

1. Step 1: Write the proportion equation
   40,798 : 54,912 = 54,912 : x
2. Step 2: Convert to fraction form
   40,798/54,912 = 54,912/x
3. Step 3: Cross multiply
   40,798x = 54,912 × 54,912
4. Step 4: Simplify right side
   40,798x = 3,015,327,744
5. Step 5: Solve for x
   x = 3,015,327,744/40,798
6. Step 6: Final answer
   x = 73,908.71