Finding the Third Proportional to 35,318 and 73,540

Step by Step Solution

1. Step 1: Write the proportion equation
   35,318 : 73,540 = 73,540 : x
2. Step 2: Convert to fraction form
   35,318/73,540 = 73,540/x
3. Step 3: Cross multiply
   35,318x = 73,540 × 73,540
4. Step 4: Simplify right side
   35,318x = 5,408,131,600
5. Step 5: Solve for x
   x = 5,408,131,600/35,318
6. Step 6: Final answer
   x = 153,126.78