Finding the Third Proportional to 168,536.50 and 360,401

Step by Step Solution

1. Step 1: Write the proportion equation
   168,536.50 : 360,401 = 360,401 : x
2. Step 2: Convert to fraction form
   168,536.50/360,401 = 360,401/x
3. Step 3: Cross multiply
   168,536.50x = 360,401 × 360,401
4. Step 4: Simplify right side
   168,536.50x = 129,888,880,801
5. Step 5: Solve for x
   x = 129,888,880,801/168,536.50
6. Step 6: Final answer
   x = 770,686.95