Finding the Third Proportional to 280,226.50 and 446,111.88

Step by Step Solution

1. Step 1: Write the proportion equation
   280,226.50 : 446,111.88 = 446,111.88 : x
2. Step 2: Convert to fraction form
   280,226.50/446,111.88 = 446,111.88/x
3. Step 3: Cross multiply
   280,226.50x = 446,111.88 × 446,111.88
4. Step 4: Simplify right side
   280,226.50x = 199,015,805,016.02
5. Step 5: Solve for x
   x = 199,015,805,016.02/280,226.50
6. Step 6: Final answer
   x = 710,196.23