Finding the Third Proportional to 303,790.50 and 654,327

Step by Step Solution

1. Step 1: Write the proportion equation
   303,790.50 : 654,327 = 654,327 : x
2. Step 2: Convert to fraction form
   303,790.50/654,327 = 654,327/x
3. Step 3: Cross multiply
   303,790.50x = 654,327 × 654,327
4. Step 4: Simplify right side
   303,790.50x = 428,143,822,929
5. Step 5: Solve for x
   x = 428,143,822,929/303,790.50
6. Step 6: Final answer
   x = 1,409,339.08