Finding the Third Proportional to 158,962.50 and 336,879

Step by Step Solution

1. Step 1: Write the proportion equation
   158,962.50 : 336,879 = 336,879 : x
2. Step 2: Convert to fraction form
   158,962.50/336,879 = 336,879/x
3. Step 3: Cross multiply
   158,962.50x = 336,879 × 336,879
4. Step 4: Simplify right side
   158,962.50x = 113,487,460,641
5. Step 5: Solve for x
   x = 113,487,460,641/158,962.50
6. Step 6: Final answer
   x = 713,925.99