Finding the Third Proportional to 167,321 and 245,401

Step by Step Solution

1. Step 1: Write the proportion equation
   167,321 : 245,401 = 245,401 : x
2. Step 2: Convert to fraction form
   167,321/245,401 = 245,401/x
3. Step 3: Cross multiply
   167,321x = 245,401 × 245,401
4. Step 4: Simplify right side
   167,321x = 60,221,650,801
5. Step 5: Solve for x
   x = 60,221,650,801/167,321
6. Step 6: Final answer
   x = 359,916.87