Finding the Third Proportional to 169,728 and 353,401.50

Step by Step Solution

1. Step 1: Write the proportion equation
   169,728 : 353,401.50 = 353,401.50 : x
2. Step 2: Convert to fraction form
   169,728/353,401.50 = 353,401.50/x
3. Step 3: Cross multiply
   169,728x = 353,401.50 × 353,401.50
4. Step 4: Simplify right side
   169,728x = 124,892,620,202.25
5. Step 5: Solve for x
   x = 124,892,620,202.25/169,728
6. Step 6: Final answer
   x = 735,839.82