Finding the Third Proportional to 616,631 and 1,345,019

Step by Step Solution

1. Step 1: Write the proportion equation
   616,631 : 1,345,019 = 1,345,019 : x
2. Step 2: Convert to fraction form
   616,631/1,345,019 = 1,345,019/x
3. Step 3: Cross multiply
   616,631x = 1,345,019 × 1,345,019
4. Step 4: Simplify right side
   616,631x = 1,809,076,110,361
5. Step 5: Solve for x
   x = 1,809,076,110,361/616,631
6. Step 6: Final answer
   x = 2,933,806.62