Finding the Third Proportional to 280,016 and 614,463.50

Step by Step Solution

1. Step 1: Write the proportion equation
   280,016 : 614,463.50 = 614,463.50 : x
2. Step 2: Convert to fraction form
   280,016/614,463.50 = 614,463.50/x
3. Step 3: Cross multiply
   280,016x = 614,463.50 × 614,463.50
4. Step 4: Simplify right side
   280,016x = 377,565,392,832.25
5. Step 5: Solve for x
   x = 377,565,392,832.25/280,016
6. Step 6: Final answer
   x = 1,348,370.78