Finding the Third Proportional to 285,003 and 444,757.50

Step by Step Solution

1. Step 1: Write the proportion equation
   285,003 : 444,757.50 = 444,757.50 : x
2. Step 2: Convert to fraction form
   285,003/444,757.50 = 444,757.50/x
3. Step 3: Cross multiply
   285,003x = 444,757.50 × 444,757.50
4. Step 4: Simplify right side
   285,003x = 197,809,233,806.25
5. Step 5: Solve for x
   x = 197,809,233,806.25/285,003
6. Step 6: Final answer
   x = 694,060.18