Finding the Third Proportional to 303,543 and 660,634.50

Step by Step Solution

1. Step 1: Write the proportion equation
   303,543 : 660,634.50 = 660,634.50 : x
2. Step 2: Convert to fraction form
   303,543/660,634.50 = 660,634.50/x
3. Step 3: Cross multiply
   303,543x = 660,634.50 × 660,634.50
4. Step 4: Simplify right side
   303,543x = 436,437,942,590.25
5. Step 5: Solve for x
   x = 436,437,942,590.25/303,543
6. Step 6: Final answer
   x = 1,437,812.58