Finding the Third Proportional to 38,936 and 55,480

Step by Step Solution

1. Step 1: Write the proportion equation
   38,936 : 55,480 = 55,480 : x
2. Step 2: Convert to fraction form
   38,936/55,480 = 55,480/x
3. Step 3: Cross multiply
   38,936x = 55,480 × 55,480
4. Step 4: Simplify right side
   38,936x = 3,078,030,400
5. Step 5: Solve for x
   x = 3,078,030,400/38,936
6. Step 6: Final answer
   x = 79,053.59