Finding the Third Proportional to 158,989 and 336,932

Step by Step Solution

1. Step 1: Write the proportion equation
   158,989 : 336,932 = 336,932 : x
2. Step 2: Convert to fraction form
   158,989/336,932 = 336,932/x
3. Step 3: Cross multiply
   158,989x = 336,932 × 336,932
4. Step 4: Simplify right side
   158,989x = 113,523,172,624
5. Step 5: Solve for x
   x = 113,523,172,624/158,989
6. Step 6: Final answer
   x = 714,031.62