Finding the Third Proportional to 303,339 and 660,460.50

Step by Step Solution

1. Step 1: Write the proportion equation
   303,339 : 660,460.50 = 660,460.50 : x
2. Step 2: Convert to fraction form
   303,339/660,460.50 = 660,460.50/x
3. Step 3: Cross multiply
   303,339x = 660,460.50 × 660,460.50
4. Step 4: Simplify right side
   303,339x = 436,208,072,060.25
5. Step 5: Solve for x
   x = 436,208,072,060.25/303,339
6. Step 6: Final answer
   x = 1,438,021.73