Finding the Third Proportional to 162,136 and 353,500

Step by Step Solution

1. Step 1: Write the proportion equation
   162,136 : 353,500 = 353,500 : x
2. Step 2: Convert to fraction form
   162,136/353,500 = 353,500/x
3. Step 3: Cross multiply
   162,136x = 353,500 × 353,500
4. Step 4: Simplify right side
   162,136x = 124,962,250,000
5. Step 5: Solve for x
   x = 124,962,250,000/162,136
6. Step 6: Final answer
   x = 770,724.89