Finding the Third Proportional to 280,017.50 and 614,467

Step by Step Solution

1. Step 1: Write the proportion equation
   280,017.50 : 614,467 = 614,467 : x
2. Step 2: Convert to fraction form
   280,017.50/614,467 = 614,467/x
3. Step 3: Cross multiply
   280,017.50x = 614,467 × 614,467
4. Step 4: Simplify right side
   280,017.50x = 377,569,694,089
5. Step 5: Solve for x
   x = 377,569,694,089/280,017.50
6. Step 6: Final answer
   x = 1,348,378.92