Finding the Third Proportional to 159,574 and 242,818

Step by Step Solution

1. Step 1: Write the proportion equation
   159,574 : 242,818 = 242,818 : x
2. Step 2: Convert to fraction form
   159,574/242,818 = 242,818/x
3. Step 3: Cross multiply
   159,574x = 242,818 × 242,818
4. Step 4: Simplify right side
   159,574x = 58,960,581,124
5. Step 5: Solve for x
   x = 58,960,581,124/159,574
6. Step 6: Final answer
   x = 369,487.39