Finding the Third Proportional to 303,249 and 650,785.50

Step by Step Solution

1. Step 1: Write the proportion equation
   303,249 : 650,785.50 = 650,785.50 : x
2. Step 2: Convert to fraction form
   303,249/650,785.50 = 650,785.50/x
3. Step 3: Cross multiply
   303,249x = 650,785.50 × 650,785.50
4. Step 4: Simplify right side
   303,249x = 423,521,767,010.25
5. Step 5: Solve for x
   x = 423,521,767,010.25/303,249
6. Step 6: Final answer
   x = 1,396,613.89