Finding the Third Proportional to 158,642 and 229,208

Step by Step Solution

1. Step 1: Write the proportion equation
   158,642 : 229,208 = 229,208 : x
2. Step 2: Convert to fraction form
   158,642/229,208 = 229,208/x
3. Step 3: Cross multiply
   158,642x = 229,208 × 229,208
4. Step 4: Simplify right side
   158,642x = 52,536,307,264
5. Step 5: Solve for x
   x = 52,536,307,264/158,642
6. Step 6: Final answer
   x = 331,162.66