Finding the Third Proportional to 315,013.50 and 740,475

Step by Step Solution

1. Step 1: Write the proportion equation
   315,013.50 : 740,475 = 740,475 : x
2. Step 2: Convert to fraction form
   315,013.50/740,475 = 740,475/x
3. Step 3: Cross multiply
   315,013.50x = 740,475 × 740,475
4. Step 4: Simplify right side
   315,013.50x = 548,303,225,625
5. Step 5: Solve for x
   x = 548,303,225,625/315,013.50
6. Step 6: Final answer
   x = 1,740,570.56