Finding the Third Proportional to 40,916 and 54,984

Step by Step Solution

1. Step 1: Write the proportion equation
   40,916 : 54,984 = 54,984 : x
2. Step 2: Convert to fraction form
   40,916/54,984 = 54,984/x
3. Step 3: Cross multiply
   40,916x = 54,984 × 54,984
4. Step 4: Simplify right side
   40,916x = 3,023,240,256
5. Step 5: Solve for x
   x = 3,023,240,256/40,916
6. Step 6: Final answer
   x = 73,888.95