Finding the Third Proportional to 158,930 and 336,814

Step by Step Solution

1. Step 1: Write the proportion equation
   158,930 : 336,814 = 336,814 : x
2. Step 2: Convert to fraction form
   158,930/336,814 = 336,814/x
3. Step 3: Cross multiply
   158,930x = 336,814 × 336,814
4. Step 4: Simplify right side
   158,930x = 113,443,670,596
5. Step 5: Solve for x
   x = 113,443,670,596/158,930
6. Step 6: Final answer
   x = 713,796.46