Finding the Third Proportional to 362,567.50 and 777,605

Step by Step Solution

1. Step 1: Write the proportion equation
   362,567.50 : 777,605 = 777,605 : x
2. Step 2: Convert to fraction form
   362,567.50/777,605 = 777,605/x
3. Step 3: Cross multiply
   362,567.50x = 777,605 × 777,605
4. Step 4: Simplify right side
   362,567.50x = 604,669,536,025
5. Step 5: Solve for x
   x = 604,669,536,025/362,567.50
6. Step 6: Final answer
   x = 1,667,743.35