Finding the Third Proportional to 603,601.50 and 905,475

Step by Step Solution

1. Step 1: Write the proportion equation
   603,601.50 : 905,475 = 905,475 : x
2. Step 2: Convert to fraction form
   603,601.50/905,475 = 905,475/x
3. Step 3: Cross multiply
   603,601.50x = 905,475 × 905,475
4. Step 4: Simplify right side
   603,601.50x = 819,884,975,625
5. Step 5: Solve for x
   x = 819,884,975,625/603,601.50
6. Step 6: Final answer
   x = 1,358,321.63