Finding the Third Proportional to 158,380 and 336,194

Step by Step Solution

1. Step 1: Write the proportion equation
   158,380 : 336,194 = 336,194 : x
2. Step 2: Convert to fraction form
   158,380/336,194 = 336,194/x
3. Step 3: Cross multiply
   158,380x = 336,194 × 336,194
4. Step 4: Simplify right side
   158,380x = 113,026,405,636
5. Step 5: Solve for x
   x = 113,026,405,636/158,380
6. Step 6: Final answer
   x = 713,640.65