Finding the Third Proportional to 162,280.50 and 353,132.50

Step by Step Solution

1. Step 1: Write the proportion equation
   162,280.50 : 353,132.50 = 353,132.50 : x
2. Step 2: Convert to fraction form
   162,280.50/353,132.50 = 353,132.50/x
3. Step 3: Cross multiply
   162,280.50x = 353,132.50 × 353,132.50
4. Step 4: Simplify right side
   162,280.50x = 124,702,562,556.25
5. Step 5: Solve for x
   x = 124,702,562,556.25/162,280.50
6. Step 6: Final answer
   x = 768,438.37