Finding the Third Proportional to 303,353.25 and 658,272

Step by Step Solution

1. Step 1: Write the proportion equation
   303,353.25 : 658,272 = 658,272 : x
2. Step 2: Convert to fraction form
   303,353.25/658,272 = 658,272/x
3. Step 3: Cross multiply
   303,353.25x = 658,272 × 658,272
4. Step 4: Simplify right side
   303,353.25x = 433,322,025,984
5. Step 5: Solve for x
   x = 433,322,025,984/303,353.25
6. Step 6: Final answer
   x = 1,428,440.36