Finding the Third Proportional to 167,863.50 and 343,479

Step by Step Solution

1. Step 1: Write the proportion equation
   167,863.50 : 343,479 = 343,479 : x
2. Step 2: Convert to fraction form
   167,863.50/343,479 = 343,479/x
3. Step 3: Cross multiply
   167,863.50x = 343,479 × 343,479
4. Step 4: Simplify right side
   167,863.50x = 117,977,823,441
5. Step 5: Solve for x
   x = 117,977,823,441/167,863.50
6. Step 6: Final answer
   x = 702,819.99