Finding the Third Proportional to 440,367.50 and 674,766.50

Step by Step Solution

1. Step 1: Write the proportion equation
   440,367.50 : 674,766.50 = 674,766.50 : x
2. Step 2: Convert to fraction form
   440,367.50/674,766.50 = 674,766.50/x
3. Step 3: Cross multiply
   440,367.50x = 674,766.50 × 674,766.50
4. Step 4: Simplify right side
   440,367.50x = 455,309,829,522.25
5. Step 5: Solve for x
   x = 455,309,829,522.25/440,367.50
6. Step 6: Final answer
   x = 1,033,931.50