Finding the Third Proportional to 158,979 and 336,361.50

Step by Step Solution

1. Step 1: Write the proportion equation
   158,979 : 336,361.50 = 336,361.50 : x
2. Step 2: Convert to fraction form
   158,979/336,361.50 = 336,361.50/x
3. Step 3: Cross multiply
   158,979x = 336,361.50 × 336,361.50
4. Step 4: Simplify right side
   158,979x = 113,139,058,682.25
5. Step 5: Solve for x
   x = 113,139,058,682.25/158,979
6. Step 6: Final answer
   x = 711,660.40