Finding the Third Proportional to 35,338 and 77,318

Step by Step Solution

1. Step 1: Write the proportion equation
   35,338 : 77,318 = 77,318 : x
2. Step 2: Convert to fraction form
   35,338/77,318 = 77,318/x
3. Step 3: Cross multiply
   35,338x = 77,318 × 77,318
4. Step 4: Simplify right side
   35,338x = 5,978,073,124
5. Step 5: Solve for x
   x = 5,978,073,124/35,338
6. Step 6: Final answer
   x = 169,168.41