Finding the Third Proportional to 63,936 and 137,280

Step by Step Solution

1. Step 1: Write the proportion equation
   63,936 : 137,280 = 137,280 : x
2. Step 2: Convert to fraction form
   63,936/137,280 = 137,280/x
3. Step 3: Cross multiply
   63,936x = 137,280 × 137,280
4. Step 4: Simplify right side
   63,936x = 18,845,798,400
5. Step 5: Solve for x
   x = 18,845,798,400/63,936
6. Step 6: Final answer
   x = 294,760.36