Finding the Third Proportional to 168,355 and 280,558.50

Step by Step Solution

1. Step 1: Write the proportion equation
   168,355 : 280,558.50 = 280,558.50 : x
2. Step 2: Convert to fraction form
   168,355/280,558.50 = 280,558.50/x
3. Step 3: Cross multiply
   168,355x = 280,558.50 × 280,558.50
4. Step 4: Simplify right side
   168,355x = 78,713,071,922.25
5. Step 5: Solve for x
   x = 78,713,071,922.25/168,355
6. Step 6: Final answer
   x = 467,542.23