Finding the Third Proportional to 437,455 and 674,839.50

Step by Step Solution

1. Step 1: Write the proportion equation
   437,455 : 674,839.50 = 674,839.50 : x
2. Step 2: Convert to fraction form
   437,455/674,839.50 = 674,839.50/x
3. Step 3: Cross multiply
   437,455x = 674,839.50 × 674,839.50
4. Step 4: Simplify right side
   437,455x = 455,408,350,760.25
5. Step 5: Solve for x
   x = 455,408,350,760.25/437,455
6. Step 6: Final answer
   x = 1,041,040.45