Finding the Third Proportional to 168,509 and 366,542.50

Step by Step Solution

1. Step 1: Write the proportion equation
   168,509 : 366,542.50 = 366,542.50 : x
2. Step 2: Convert to fraction form
   168,509/366,542.50 = 366,542.50/x
3. Step 3: Cross multiply
   168,509x = 366,542.50 × 366,542.50
4. Step 4: Simplify right side
   168,509x = 134,353,404,306.25
5. Step 5: Solve for x
   x = 134,353,404,306.25/168,509
6. Step 6: Final answer
   x = 797,306.99