Finding the Third Proportional to 162,140 and 353,508

Step by Step Solution

1. Step 1: Write the proportion equation
   162,140 : 353,508 = 353,508 : x
2. Step 2: Convert to fraction form
   162,140/353,508 = 353,508/x
3. Step 3: Cross multiply
   162,140x = 353,508 × 353,508
4. Step 4: Simplify right side
   162,140x = 124,967,906,064
5. Step 5: Solve for x
   x = 124,967,906,064/162,140
6. Step 6: Final answer
   x = 770,740.76