Finding the Third Proportional to 616,629 and 1,345,015

Step by Step Solution

1. Step 1: Write the proportion equation
   616,629 : 1,345,015 = 1,345,015 : x
2. Step 2: Convert to fraction form
   616,629/1,345,015 = 1,345,015/x
3. Step 3: Cross multiply
   616,629x = 1,345,015 × 1,345,015
4. Step 4: Simplify right side
   616,629x = 1,809,065,350,225
5. Step 5: Solve for x
   x = 1,809,065,350,225/616,629
6. Step 6: Final answer
   x = 2,933,798.69