Finding the Third Proportional to 42,738 and 70,936

Step by Step Solution

1. Step 1: Write the proportion equation
   42,738 : 70,936 = 70,936 : x
2. Step 2: Convert to fraction form
   42,738/70,936 = 70,936/x
3. Step 3: Cross multiply
   42,738x = 70,936 × 70,936
4. Step 4: Simplify right side
   42,738x = 5,031,916,096
5. Step 5: Solve for x
   x = 5,031,916,096/42,738
6. Step 6: Final answer
   x = 117,738.69