Finding the Third Proportional to 384,697.50 and 603,454.50

Step by Step Solution

1. Step 1: Write the proportion equation
   384,697.50 : 603,454.50 = 603,454.50 : x
2. Step 2: Convert to fraction form
   384,697.50/603,454.50 = 603,454.50/x
3. Step 3: Cross multiply
   384,697.50x = 603,454.50 × 603,454.50
4. Step 4: Simplify right side
   384,697.50x = 364,157,333,570.25
5. Step 5: Solve for x
   x = 364,157,333,570.25/384,697.50
6. Step 6: Final answer
   x = 946,606.97