Finding the Third Proportional to 203,556 and 299,412.50

Step by Step Solution

1. Step 1: Write the proportion equation
   203,556 : 299,412.50 = 299,412.50 : x
2. Step 2: Convert to fraction form
   203,556/299,412.50 = 299,412.50/x
3. Step 3: Cross multiply
   203,556x = 299,412.50 × 299,412.50
4. Step 4: Simplify right side
   203,556x = 89,647,845,156.25
5. Step 5: Solve for x
   x = 89,647,845,156.25/203,556
6. Step 6: Final answer
   x = 440,408.76