Finding the Third Proportional to 280,016.50 and 614,465

Step by Step Solution

1. Step 1: Write the proportion equation
   280,016.50 : 614,465 = 614,465 : x
2. Step 2: Convert to fraction form
   280,016.50/614,465 = 614,465/x
3. Step 3: Cross multiply
   280,016.50x = 614,465 × 614,465
4. Step 4: Simplify right side
   280,016.50x = 377,567,236,225
5. Step 5: Solve for x
   x = 377,567,236,225/280,016.50
6. Step 6: Final answer
   x = 1,348,374.96