Finding the Third Proportional to 158,388 and 230,454

Step by Step Solution

1. Step 1: Write the proportion equation
   158,388 : 230,454 = 230,454 : x
2. Step 2: Convert to fraction form
   158,388/230,454 = 230,454/x
3. Step 3: Cross multiply
   158,388x = 230,454 × 230,454
4. Step 4: Simplify right side
   158,388x = 53,109,046,116
5. Step 5: Solve for x
   x = 53,109,046,116/158,388
6. Step 6: Final answer
   x = 335,309.78