Finding the Third Proportional to 303,151.50 and 660,123.56

Step by Step Solution

1. Step 1: Write the proportion equation
   303,151.50 : 660,123.56 = 660,123.56 : x
2. Step 2: Convert to fraction form
   303,151.50/660,123.56 = 660,123.56/x
3. Step 3: Cross multiply
   303,151.50x = 660,123.56 × 660,123.56
4. Step 4: Simplify right side
   303,151.50x = 435,763,117,767.69
5. Step 5: Solve for x
   x = 435,763,117,767.69/303,151.50
6. Step 6: Final answer
   x = 1,437,443.38