Finding the Third Proportional to 188,673 and 280,444.50

Step by Step Solution

1. Step 1: Write the proportion equation
   188,673 : 280,444.50 = 280,444.50 : x
2. Step 2: Convert to fraction form
   188,673/280,444.50 = 280,444.50/x
3. Step 3: Cross multiply
   188,673x = 280,444.50 × 280,444.50
4. Step 4: Simplify right side
   188,673x = 78,649,117,580.25
5. Step 5: Solve for x
   x = 78,649,117,580.25/188,673
6. Step 6: Final answer
   x = 416,854.12