Finding the Third Proportional to 301,945 and 616,998.50

Step by Step Solution

1. Step 1: Write the proportion equation
   301,945 : 616,998.50 = 616,998.50 : x
2. Step 2: Convert to fraction form
   301,945/616,998.50 = 616,998.50/x
3. Step 3: Cross multiply
   301,945x = 616,998.50 × 616,998.50
4. Step 4: Simplify right side
   301,945x = 380,687,149,002.25
5. Step 5: Solve for x
   x = 380,687,149,002.25/301,945
6. Step 6: Final answer
   x = 1,260,783.09