Finding the Third Proportional to 306,245.50 and 447,272

Step by Step Solution

1. Step 1: Write the proportion equation
   306,245.50 : 447,272 = 447,272 : x
2. Step 2: Convert to fraction form
   306,245.50/447,272 = 447,272/x
3. Step 3: Cross multiply
   306,245.50x = 447,272 × 447,272
4. Step 4: Simplify right side
   306,245.50x = 200,052,241,984
5. Step 5: Solve for x
   x = 200,052,241,984/306,245.50
6. Step 6: Final answer
   x = 653,241.41