Finding the Third Proportional to 179,298 and 243,636

Step by Step Solution

1. Step 1: Write the proportion equation
   179,298 : 243,636 = 243,636 : x
2. Step 2: Convert to fraction form
   179,298/243,636 = 243,636/x
3. Step 3: Cross multiply
   179,298x = 243,636 × 243,636
4. Step 4: Simplify right side
   179,298x = 59,358,500,496
5. Step 5: Solve for x
   x = 59,358,500,496/179,298
6. Step 6: Final answer
   x = 331,060.58