Finding the Third Proportional to 229,449 and 337,420.50

Step by Step Solution

1. Step 1: Write the proportion equation
   229,449 : 337,420.50 = 337,420.50 : x
2. Step 2: Convert to fraction form
   229,449/337,420.50 = 337,420.50/x
3. Step 3: Cross multiply
   229,449x = 337,420.50 × 337,420.50
4. Step 4: Simplify right side
   229,449x = 113,852,593,820.25
5. Step 5: Solve for x
   x = 113,852,593,820.25/229,449
6. Step 6: Final answer
   x = 496,200.00