Finding the Third Proportional to 70,436 and 146,695

Step by Step Solution

1. Step 1: Write the proportion equation
   70,436 : 146,695 = 146,695 : x
2. Step 2: Convert to fraction form
   70,436/146,695 = 146,695/x
3. Step 3: Cross multiply
   70,436x = 146,695 × 146,695
4. Step 4: Simplify right side
   70,436x = 21,519,423,025
5. Step 5: Solve for x
   x = 21,519,423,025/70,436
6. Step 6: Final answer
   x = 305,517.39